A Corgi is crossed with a Labrador, which has normal long legs. Both Corgi's and
Beagles can have short or long ears. Long ears are dominant over short ears. If a Corgi
that is heterozygous for leg height and ear length is crossed with a normal height B that
has short ears, what is the probability of a long leg, long ear offspring Use a dihybrid
cross to support your response, which may be expressed as a ratio.
Answers
Answer:
1/2 of the offspring will have long legs and ears
Explanation:
Shown by the dihybrid cross, there are 4 possible combinations, of which, 2 will provide the offspring we’re looking for. This means we have a 2/4 ratio or 1/2 ratio.
Related Questions
which sentence best explains the relationship between a community and an ecosystem
Answers
Answer:
Community - different species
Ecosystem - a community is a part of the larger ecosystem
Explanation:
A community refers to the population of different species living in a specific area, interacting with one another and their environment.An ecosystem, on the other hand, encompasses both the living (biotic) and non-living (abiotic) components of a particular area
All of the following are rivers in the fertile crescent except for the _____.tigrisnilejordaneuphrates
Answers
"Grandpa, don't die!" Emma Abrams choked with deep conviction. "You mean everything to me. I can't live without you!" This was the part of the script where Emma was supposed to burst into real tears, yet her big blue eyes were like a desert. Emma tried to think of something despairing, like the time her toddling brother sliced his finger on a piece of broken glass while she was watching him, or the devastation she felt when learning that her cat had run away. These sad reflections did nothing to moisten her eyes. "Well, don't panic, Emma," she coached herself. "When it counts in the audition today, you'll cry real tears. You've just got to!"
It was difficult to study the script in the car with all of the bumps, turns, and sudden stops typical of trips into New York City, but Emma was determined to make sure that she had each line memorized word for word. She had studied every line nonstop since her agent had called with the good news. It was her first Broadway audition and her entire family had helped her to prepare. Her older sister helped her choreograph a dance, her father improvised with her by playing the part of Grandpa at the dinner table, and her little brother listened to her read her lines. No one was more constant in helping Emma realize her thespian ambitions than her mother, though. Mom was the one who accompanied Emma to her piano, voice, dance, and drama lessons each weekday after school. She went to every audition and performance with Emma, and Emma wished with all her heart that Mom was here with her now.
Emma appreciated her mother's constant companionship and support of her acting career. Her mother was always present backstage at the Dutch Apple Dinner Theater where Emma was currently starring in Annie on Friday and Saturday nights. Mom was the driving force behind her daughter's acting career, but she refused to drive in New York City. The big city frightened Mrs. Abrams and made her jittery. Since she was already nervous about Emma's big audition, Mrs. Abrams thought it best if she just stayed home. Emma tried to behave like a grown-up when her mother told her she wouldn't be going, but inside Emma felt panicky and alone.
Emma's father continued to navigate through the heavy traffic streaming into the city. As the skyline of New York City came into view, Emma started to cry. She knew she should have begged her mother to come with her but now it was too late! Her father looked into the rearview mirror and said, "Wow, honey! If you can do that during the audition, you're a shoo-in." He was genuinely impressed and didn't realize that her tears were real. Emma stared out the window, feeling sorry for herself.
Emma watched her dad hand his car keys to the parking attendant. They walked in silence for several blocks, with Emma holding her father's arm. She wanted to ask her father to come in to the audition with her, but she knew he'd be uncomfortable around a bunch of stage mothers. Emma soon found herself being escorted into a crowded lobby. She waved good-bye to her father and disappeared inside the theater.
When she emerged from the audition several hours later, Emma was exhausted but triumphant. "I don't ever want Mom to come to an audition where I have to cry again!" she declared as they left the theater together.
Knowing his daughter's flair for the dramatic, Mr. Abrams quickly said, "Now don't be angry with your mother because she couldn't come today, Emma. That's not fair."
Emma realized her father misunderstood her, so she explained that when she'd cried in the car earlier, it wasn't an act; she was genuinely upset that her mother wasn't with her. "When I went into the audition, all the other girls' mothers were there, but I was all alone. I was terrified without Mom there, so when they called on me to read my lines, I was on the verge of tears anyway. I just thought about how alone I felt without Mom there, and the tears came pouring down. It was perfect timing, and I think I just might get the part! Mom is the secret to my success." She bowed and curtsied to an imaginary audience, saying "Thank you, Thank you."
Mr. Abrams smiled and said, "I'm not sure, but I think that just this once, your mother will be extremely happy to hear that she made you cry."
What can readers infer about Emma in paragraph 2 of “Emma Finds a Way”?
A.
She is impatient.
B.
She is distracted.
C.
She is indifferent
D.
She is hard-working.
Answers
Answer: I think the answer is D
Explanation:
Hope this helps ya! im sorry if im worng! have a good day! ^-^
what kind of cells perform mitoses
Answers
When emphysema is a result of a α1-Antitrypsin disorder, assessment data is likely to include which of the following?
a. Caucasian Client age younger than 50
b. Elevated levels of α1-Antitrypsin
c. No history of cigarette smoking
d. Enzyme levels that are below normal
Answers
Answer:
a. Caucasian Client age younger than 50
Explanation:
α-1 Antitrypsin: In biology, the term "α-1 Antitrypsin" is also referred as "A1AT" and is determined as a serpin that consists of a major "protective effects" against the cigarette smoking and involves the development of emphysema, along with that the patients with the mutations of the "A1AT gene" tends to display an increased risk of emphysema development. However, It is mostly developed in people who are younger in age ranging from 30 to 40 years.
Identify the structures of plants usually involved in vegetative reproduction
Answers
Answer:
b
Explanation:
dnakebtearyrea
Why do scientists know very little about life in the Precambrian eon? (1 point) There was no life on Earth during that eon. There are few fossils from that time. All of these forms of life are now extinct. The eon started with a mass extinction
WILL MARK. BRAINLEYEST
Answers
Scientists have very little knowledge about the Precambrian eon because there are very few fossils from that time.
The Eon in the Precambrian means "before the Cambrian era." It is used to define the entire period of the Earth's history which existed before the discovery of the oldest rocks which have identifiable fossils in them.
The organisms which existed during the Pre-Cambrian eon were basically soft-bodied and therefore there very few animals of that time which had bones, skeletons, or hard shells and so an existence of very less number of fossils have been found from that time. The time period was so long ago that the natural activity on earth like subduction of continental plates, volcanic action, erosion, etc. washed out the most of what was then the Earth's crust.
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which cytoskeletal protein allows for intracellular transport of organelles?
Answers
The cytoskeletal protein that allows for intracellular transport of organelles is tubulin.
Tubulin dimers polymerize to form microtubules. Microtubules are one of the three main types of cytoskeletal proteins, along with actin filaments and intermediate filaments. They are long, hollow tubes made of the protein tubulin, and they play a crucial role in intracellular transport. Organelles, such as mitochondria and vesicles, can move along microtubules with the help of motor proteins like kinesin and dynein. These motor proteins use energy from ATP to "walk" along the microtubules, carrying the organelles with them. This allows for the efficient transport of organelles within the cell, which is essential for many cellular processes.
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Pine trees that are too tall or too short do not do as well as pine trees that are average in height. How is this an example of stabilizing selection?
Answers
Stabilizing selection is a condition where extreme traits have a negative outcome in the indivuals of a population, therefore the average value of the trait has the advantage. In this example, pine trees that are in the extremes of height (either tall or short) might have physiological disadvantages. On the other hand, pine trees with average height might escape this issues. For example, tall trees might have troubles with water transport, while short trees might have troubles with getting enough sunlight exposure. Average pine trees would not have disadvantages in either of the physiological examples described. With time, this trees (average height) will dominate in the population structure, whereas the other type of trees while be diminished.
explain how Earth’s rotation is connected to daytime and nighttime.
Answers
Answer:
Earths rotation is connected to daytime and nighttime by how it spins on its axis. half of the earth with have light while the other half has no light
Earths rotation is connected to daytime and night-time as the Earth spins on its axis and rounds the sun once every 365 days.
Day and darkness are brought about by the planet's rotation on its axis rather than by the Earth orbiting the sun. The length of time it takes the Earth to complete one revolution around its axis is used to define one day, which includes both daytime and nighttime.
Every 24 hours, the Earth turns on its axis, bringing all of us with it. When we are on the side of the Earth that faces the Sun, we experience daylight. Darkness has descended as we are currently on the side of the Earth.
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which of the following statements about photosystem ii are correct? it is a multimolecular transmembrane assembly containing several polypeptides, several chlorophyll molecules, a special chlorophyll (p680), pheophytin, and plastoquinones. it transfers electrons to photosystem i via the cytochrome bf complex. it uses light energy to create a separation of charge, the potential energy of which can be used to oxidize h2o and to produce a reductant, plastoquinol. it uses an fe2 -cu center as a charge accumulator to form o2 without gener- ating potentially harmful hydroxyl radicals, superoxide anions, or h2o2.
Answers
The correct statement about photosystem II is that A. a multimolecular transmembrane assembly containing several polypeptides, several chlorophyll molecules, special chlorophyll (p680), pheophytin, and plastoquinones.
Photosynthesis is the process of combining various substances to produce food by plants involving sunlight. The main raw materials for plants to carry out photosynthesis are carbon dioxide, air, and chlorophyll with the help of sunlight.
Photosystem is a collection of chlorophyll whose function is to capture light at certain wavelengths. In the light reactions in the noncyclic cycle electrons will be captured by P680 (photosystem II). Photosystem II absorbs light energy carried by chlorophyll a which is sensitive to a wavelength of 680 nm (nanometers). Photosystem II is involved in the assembly of transmembrane multimolecules containing several polypeptides, several chlorophyll molecules, special chlorophyll (p680), pheophytin, and plastoquinones.
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long protein strands that are transported to the site of a wound to form a web that traps blood cells to form a clot are called ________.
Answers
Long protein strands that are transported to the site of a wound to form a web that traps blood cells and forms a clot are called fibrin.
Fibrin is an essential component of the blood clotting process, helping to prevent excessive bleeding and promote wound healing.
When a blood vessel is damaged, a series of events known as the coagulation cascade is initiated. This cascade involves a complex sequence of reactions that ultimately lead to the formation of a blood clot. Fibrinogen, a soluble protein present in the blood, is converted into fibrin through the action of the enzyme thrombin.
Fibrin molecules then assemble into long, insoluble strands that form a mesh-like network at the site of the injury. Platelets and red blood cells get trapped within this fibrin mesh, forming a stable clot. The clot acts as a physical barrier, preventing further blood loss from the damaged blood vessel.
Over time, the clot undergoes remodeling and is eventually dissolved through a process called fibrinolysis, allowing for tissue repair and restoration of normal blood flow. The formation and subsequent dissolution of fibrin clots are tightly regulated processes that ensure appropriate clotting at the site of injury while maintaining overall blood flow throughout the body.
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Which structure allows chromosomes to separate and move during mitosis?
radiating fibers,
chromatids,
spindle fibers,
nuclear envelope
Answers
Answer:
The answer is Spindle Fibers
Explanation:
WILL MARK BRAINLIEST!!! PLEASE HELP WITH THIS BIOLOGY QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
In one molecule of carbon dioxide:
◦ There are two different atoms.
◦ The total number of atoms is 3.
◦ The atoms form a line.
What is the space-filling model of this molecule?
A. RED AND BLACK
B. RED AND WHITE
C. BLACK AND WHITE
D. BLUE AND WHITE
Answers
I’m not sure what it means by space filling but A is the closest to a carbon dioxide molecule
in the u.s., there are few rules/restrictions regarding the selection of a mate. which is not one of the rules which guide mate selection in the u.s.
Answers
The requirements are that the prospective partner must not already be married, be of legal age, not be closely related, and, in the majority of states, be of a different sex.
Which sociological angle contends that the prohibition of marriage strengthens society?Conflict theorists claim that denying gays and lesbians the right to marry strengthens their position as second-class citizens.
What is it called when a person marries more than one person at a time but only once in their lifetime?Monogamy. The only type of marriage recognized as legal in the United States is a union between two people. continuous monogamy. a series of unions in which a person has more than one spouse over the course of a lifetime but is only ever officially wed to one person at a time.
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Both anaerobic and aerobic respiration use
Answers
Answer:
See below for meanings.
Explanation:
Anaerobic: Anaerobic exercise is similar to aerobic exercise but uses a different form of energy — quickly and immediately. Anaerobic exercises include high-intensity interval training (HIIT), weight lifting, circuit training, Pilates, yoga, and other forms of strength training. This type of exercise offers many health benefits.
Aerobic: Aerobic exercise is any type of cardiovascular conditioning. It can include activities like brisk walking, swimming, running, or cycling. You probably know it as “cardio.” ... Aerobic exercise helps keep your heart, lungs, and circulatory system healthy.
hope this helps.
Whale primary functions
Answers
The primary functions of whales include feeding, reproduction, communication, and migration.
Whales are primarily filter feeders or predators, depending on the species.
Filter-feeding whales, such as baleen whales, have baleen plates in their mouths that allow them to filter out small prey, such as krill or small fish, from large volumes of water.
Predatory whales, such as toothed whales, hunt and feed on various marine organisms, including fish, squid, and marine mammals.
Reproduction is another important function for whales. Most whale species have a gestation period of several months, with females giving birth to a single calf.
The calves are nursed with milk from their mothers and rely on their care for a period of time until they become independent.
Communication is vital for whales, as they rely on vocalizations to communicate with other members of their pod.
Whales produce a variety of sounds, including songs, clicks, and whistles, which serve purposes such as mating, social interactions, and navigation.
Migration is a common behavior observed in many whale species. Whales undertake long-distance migrations, often covering thousands of kilometers, to reach feeding grounds in nutrient-rich waters or to reproduce in specific breeding areas.
These migrations are driven by seasonal changes in food availability and environmental conditions.
In summary, the primary functions of whales encompass feeding, reproduction, communication, and migration, all of which are essential for their survival and successful adaptation to their marine environments.
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What are the processes in which material move through a cell?
Answers
The passive forms of transport, diffusion and osmosis, move materials of small molecular weight across membranes. Substances diffuse from areas of high concentration to areas of lower concentration; this process continues until the substance is evenly distributed in a system.
Mendel utilized the garden pea, Pisum sativum, for his studies based on features that include all but ________. Group of answer choices can generate a large number of progeny has a wide, continuous spectrum of phenotypes
Answers
Mendel utilized the garden pea, Pisum sativum, for his studies based on several features. One of the features is that it can generate a large number of progeny, which allows for statistical analysis.
Another feature is that it has a wide, discontinuous spectrum of phenotypes, which allows for easy observation and categorization of traits. Therefore, the missing term in the statement is "discontinuous" instead of "continuous." In Mendel's experiments, he focused on discrete traits, such as flower color, seed shape, and pod shape, which are easily distinguishable and do not show intermediate phenotypes. This made it easier for Mendel to establish his laws of inheritance, which are still relevant in genetics today.
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. most proteins are soluble in the aqueous environment of a cell. knowing that, where in the overall three-dimensional shape of a protein would you expect to find amino acids with hydrophobic r groups?
Answers
Amino acids with hydrophobic R-groups are typically found in the core or interior of the three-dimensional structure of a protein.
Hydrophobic amino acids like alanine, isoleucine, and leucine are frequently present in the interior of a protein's structure, which is a three-dimensional overall form of the protein. These amino acids are repellent to the aqueous environment of the cell due to their nonpolar, hydrophobic side chains.
Hydrophobic amino acids group collectively at the protein's center, away from the water molecules around them, to reduce their contact with water. The protein's overall stability and folding are aided by this configuration, which maximizes hydrophobic interactions among the nonpolar side chains and helps to stabilize the protein's structure.
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The term for a close association between organisms of two or more species is:___.
a. symbiosis.
b. associative living.
c. colonialism.
d. interdependence.
Answers
The term for a close association between organisms of two or more species is Symbiosis. Option A. is correct.
Symbiosis is a biological relationship that benefits two different species that are in direct contact. In general, there are three main types of symbiotic relationships, each distinguished by the nature of the benefits that are provided to each species that participates. They are mutualism, commensalism, and parasitism.
Mutualism describes the close association of two or more species in which both benefit. Commensalism describes the close association of two or more species in which one species benefits and the other is neither harmed nor helped. Parasitism describes the close association of two or more species in which one species benefits while the other is harmed.
Therefore, Option A. symbiosis is correct.
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3. Which two substances move through an ecosystem in sedimentary cycles?
A) phosphorous and oxygen
B) phosphorous and sulfur
C) sulfur and carbon
Answers
Multiple alleles and dominance hierarchy problems
Answers
Answer:
Alleles aren't always fully dominant or recessive to one another, but may instead display codominance or incomplete dominance.
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What is a cactus' environmental pressures?
Answers
Explanation:
high temperature and low rainfall this leads to the need for adaptation to conserve water and tolerate extreme heat one of the main environmental pressures for cacti is water
why global climate models cannot predict the exact global average temperature of the earth in the year 2100 with total certainty.Explain two different reasons for this fact. Be specific and detailed in your explanations. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
Answers
Global climate models cannot predict the exact global average temperature in 2100 with total certainty due to **inherent uncertainties** in the models and **unpredictable future human behavior**. These factors contribute to a range of possible outcomes rather than a single precise temperature prediction.
The first reason is the **inherent uncertainties** in climate models, which arise from factors such as the complex interactions between atmospheric, oceanic, and land processes, as well as limited understanding of some physical processes and natural climate variability. Additionally, models use different resolutions, leading to varying levels of accuracy. The second reason is the **unpredictable future human behavior**, as climate projections depend on future greenhouse gas emissions, which are influenced by factors such as population growth, technological advancements, and political decisions. Due to these uncertainties and unpredictable factors, global climate models can only provide a range of possible temperature outcomes for the year 2100.
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Explain the process of ultrafiltration in the nephrons
Answers
Ultrafiltration is a crucial process that occurs in the nephrons of the kidneys, specifically in the glomerulus. It is responsible for the initial filtration of blood to form urine.
The process of ultrafiltration starts when blood enters the glomerulus through the afferent arteriole. The glomerulus is a network of specialized capillaries with small pores called fenestrations. These fenestrations allow small molecules, such as water, ions, glucose, amino acids, and waste products, to pass through while preventing larger molecules like proteins and blood cells from crossing.
As blood flows through the glomerulus under pressure, the hydrostatic pressure forces fluid and solutes to move out of the capillaries and into the surrounding space called Bowman's capsule. This space is the beginning of the renal tubule, which continues the process of urine formation.
The movement of fluid and solutes is driven by a combination of hydrostatic pressure and osmotic pressure. The hydrostatic pressure is higher inside the glomerulus compared to Bowman's capsule due to the narrower diameter of the efferent arteriole. This pressure difference pushes fluid out of the capillaries.
On the other hand, the osmotic pressure is created by the presence of proteins and other solutes in the blood. These solutes create a higher concentration inside the capillaries, causing water to be drawn back into the bloodstream. However, in ultrafiltration, the high hydrostatic pressure overrides the osmotic pressure, resulting in net filtration.
The filtered fluid and solutes, now called the glomerular filtrate, continue through the renal tubule, where further processing and reabsorption occur to adjust the composition of the urine before it is excreted from the body.
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Which type of virus reproduction causes the host cell to burst?
lytic reproduction
lysogenic reproduction
asexual reproduction
fission reproduction
Answers
Hope this helps :)
What is reproductive isolation?Why is it necessary for speciation to occur? Explain one way reproductive isolation might occur.
Answers
Reproductive isolation is a process in which individuals in a population are prevented from reproducing. This isolation can occur in several ways, such as a physical barrier that separated these species into two groups that will reproduce with each other and generate a new species.
Why is it necessary for speciation to occur?Speciation is an essential evolutionary process for the creation of new species. It is worth remembering that from reproductive isolation, the individuals of a population have been differentiating and evolving and in the end, there will be a different species from the initial one. Therefore, speciation is necessary for the emergence of new species.
Explain one way reproductive isolation might occur.Reproductive isolation may occur due to a geographic barrier. In this case, a population is separated by a geographic barrier such as a river, a canyon, or a mountain, thus generating subpopulations that will begin to evolve and adapt in different ways. In the end, we will have different subpopulations, but in the beginning, they were part of the same population.
A 911 call is made on 7/4/2011 at 6:00 pm from a
man who says that he walked in his home to find his, wife dead. He says that when he left the house (1
hour prior), she was alive. Forensic investigators record her liver temperature at 70.6°F. The ambient
temperature of the home was also 70.6°. What can you condude about this situation.
Answers
The recorded liver temperature of 70.6°F is significant because it indicates that the woman's body had reached ambient temperature. This means that her body had already cooled to the same temperature as the surrounding environment, which typically occurs within the first few hours after death.
Overall, the evidence suggests that the woman died of natural causes or an accident, as there is no indication of foul play or trauma. The exact cause of death would need to be determined through further investigation, such as an autopsy.
Why are four separate tubes, each containing a different ddntp, not necessary in automated sequencing?.
Answers
Four separate tubes, each containing a different ddntp, not necessary in automated sequencing is the ddNTP lacks the oxygen atom at 3' carbon in addition to at the 2'carbon which is lacking in the dNTP.
What is Sanger sequencing?
The process just to determine the sequence of the nucleotide bases in the part of the DNA molecule has been called the DNA sequencing. In the process of the Sanger sequencing, the DNA molecule has to be sequenced which has been copied multiple times by using polymerase chain reaction (PCR). It has the chain termination method developed by the famous scientist Frederick Sanger and colleagues in 1977.
The DNA fragments of different lengths has been created. Fluorescent labelled dideoxynucleotides are then used to terminate further chain formation and this process marks the end of fragments and allows sequence determination.
Therefore, Four separate tubes, each containing a different ddntp, not necessary in automated sequencing is the ddNTP lacks the oxygen atom at 3' carbon in addition to at the 2'carbon which is lacking in the dNTP.
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