A male guinea fowl with a particular comb shape called handsome was crossed to a female with a comb shape known as small. The F1 progeny all had handsome combs. When F1 males and females were crossed to each other, 181 handsome and 21 small combs were seen among the F2 progeny, but there were also 59 offspring with a new kind of comb called orange and 61 birds with another new type called bean. a. How is the comb shape trait inherited and how do you know? b. Diagram this cross including the parental, F1, and F2 generations, assigning genotypes to the parental and F1 phenotypes, and genotype classes (eg. A-cc) to the phenotypes in the F2 generation. c. A handsome male from the F2 generation was crossed to an orange female F2 and the offspring were handsome. What are the possible genotypes of these parents? (There are three possible combinations for the two parents.)

Answer:

Endocrine glands are also known as the ductless glands

Explanation:

Primary structure: amino acid sequence of myoglobin ; Secondary structure: single helical chain of collagen ; Tertiary structure: single hemoglobin subunit with heme and Quaternary structure: hemoglobin (a combination of multiple subunits, each with its own tertiary structure)

To reiterate, primary structure of protein is defined as the sequence of amino acids linked together to form polypeptide chain and each amino acid is linked to next amino acid through peptide bonds created during protein biosynthesis process.

Protein structure is three-dimensional arrangement of atoms in amino acid-chain molecule. Proteins are polymers formed from sequences of amino acids, the monomers of polymer.

To know more about protein structure, refer

https://brainly.com/question/28366854

#SPJ4

Answer:

No . Because rapid population increases global warming ,pollution, deforestation,crime etc. So, it is false.

Answer:

long term energy

Explanation:

Itchy, blistering, dry, and cracked skin are symptoms of contact dermatitis. Darker skin can turn gray or dark brown, whereas lighter skin can turn red.

Examples include hives, eczema, psoriasis, scabies, parasites, scars from burns, and eczema and psoriasis. internal illnesses. Whole-body itching could be an indication of an underlying condition such liver disease, renal disease, malaria, diabetes, thyroid issues, or even some malignancies.

The itching that comes with diabetes can be severe. It's difficult to resist the want to scratch because of how grating the sensation is, yet doing so could make that itch worse. Nevertheless, if you have diabetic nerve damage, you may itch wherever.

To knnow more about Itchy visit:

https://brainly.com/question/1286344

#SPJ1

Senescence-like phenotype is normally regarded as a suppressive manner, both by preventing cancer cellular proliferation and suppressing malignant development from pre-malignant to malignant disorder.

Senescence is generally regarded as a tumour suppressive method, both with the aid of preventing cancer cell proliferation and suppressing malignant progression from pre-malignant to malignant disease. Cell senescence limits the replicative potential of cells, as a consequence stopping the proliferation of cells which are at distinct stages of malignancy.

A recent frame of evidence shows that induction of senescence can be exploited as a foundation for most cancers therapy. Senescence is a double-edged sword which could function in contrary directions. It far a capacity mechanism for a cell to avoid malignant transformation. however, senescence can also sell most cancers improvement with the aid of changing the cellular microenvironment thru a senescence-related secretory phenotype.

Learn more about phenotype here:-https://brainly.com/question/902712

#SPJ4

Answer:

habitat destruction

Explanation:

it would be hard for them to be able to make another habitat all over again after all of the hard work that was put in to it but yet again trapping and taking away the animal from their family is very hard to

The statement "When viewing a section of an organ through the microscope, you should expect to see only one type of tissue" is false as most organs are composed of different types of tissues that work together to carry out specific functions.

Organs are composed of multiple types of tissues that work together to perform specific functions. These tissues are arranged in an organized manner, forming a complex structure in the organ.

Tissues are collections of cells that have similar functions and structures, and there are four primary tissue types: epithelial, connective, muscle, and nervous. Each tissue type has a distinct role and can be found in various organs.

For example, epithelial tissue forms the outer layer of organs and the lining of internal cavities, while connective tissue provides support and structure.

When examining a section of an organ under the microscope, you will likely observe different types of tissues in close proximity, working together to carry out the organ's function. The various tissues will have unique cellular structures and organization patterns that can be distinguished with the help of a microscope.

In conclusion, it is not accurate to expect only one type of tissue when viewing an organ section under the microscope, as organs consist of multiple tissue types working together to fulfill their roles.

To know more about tissues, refer here:

https://brainly.com/question/17664886#

#SPJ11

Photosynthesis. I just got done with the test

Ultraviolet light can be the answer to future outbreaks because it has the capability to kill the microorganisms present in air and thus can prevent the infectious diseases caused by them.

Ultraviolet light is the EM radiation with the wavelength range 10 nm to 400 nm. It is already being used in research labs for maintaining the microbe free environment. Researches are also being conducted to produce such ceiling lights that can be used normally in households so that the the air-borne microorganisms can be killed.

Microorganisms are the small living organisms not visible to the unaided eyes. They have the strong capability to produce their new variants by mutation and cause infectious diseases. The ultraviolet light can kill them even before they are able to transform themselves.  

To know more about microorganisms, here

brainly.com/question/14754874

#SPJ1

More sharks were born than died.

The term "population" usually refers to the total number of people living in a certain area, such as a city or town, region, nation, continent, or the entire planet. Governments frequently use censuses, a procedure for gathering, analyzing, compiling, and releasing statistics on a population, to determine the number of the resident people under their jurisdiction. A population is frequently referred to as a group of organisms in genetics where any two individuals can mate with each other. A breeding group known as a gamodeme is one that may routinely exchange gametes to create children who are typically viable.

To know more about population refer to https://brainly.com/question/2944207

#SPJ4

A slowing of heart rate allows for a longer ventricular diastolic filling time, which can lead to a larger stroke volume and a more forceful systolic ventricular contraction. The correct answer is option c.

During diastole, the heart is relaxed, and blood is able to flow into the ventricles. The longer the ventricular diastolic filling time, the more blood is able to fill the ventricles, leading to a larger volume of blood that can be pumped out during systole.

This increased stroke volume, combined with a more forceful contraction, results in a greater amount of blood being ejected with each heartbeat.

However, it is important to note that a slowing of heart rate also has the potential to lead to a reduction in blood pressure.

This is because a slower heart rate means that there are fewer contractions per minute, which can result in a lower overall cardiac output. Cardiac output is the amount of blood that the heart pumps out per minute, and if it is reduced, then blood pressure may also decrease.

The correct answer is option c.

To know more about heart rate refer to-

https://brainly.com/question/1155838

#SPJ11

Answer:

Como resultado del proceso de la fotosíntesis se elimina a través de los estomas el oxígeno.

Explanation:

La fotosíntesis es un proceso metabólico que llevan a cabo determinadas células de organismos autótrofos, es decir, aquellas que tienen la capacidad de producir su propio alimento, como las plantas. Con este proceso, las plantas captan la energía de la luz solar y la transforman en energía química, para producir materia orgánica a través de materia inorgánica.

Los procesos que llevan a cabo las plantas en la fotosíntesis se llevan a cabo en 2 etapas: en la primera etapa las plantas absorben el agua del suelo a través de las raíces. A través de sus tallos lo transportan hasta sus hojas. En estos se encuentra el pigmento llamado clorofila, que además de darle a la hoja el color verde, capta la luz solar y rompe la molécula de agua (H₂O), separando el hidrógeno (H) del oxígeno (O₂). En esta etapa se almacena energía y se libera oxígeno al medio ambiente.

La otra etapa es capturar dióxido de carbono. Esto proporciona los átomos de carbono y oxígeno que, junto con el hidrógeno y la energía almacenada, formarán la molécula de glucosa.

Entonces, los estomas son poros en la superficie de las plantas, encontrándose mayoritariamente en las hojas y en menor medida en los tallos y otros órganos. En ellas transcurre el intercambio gaseoso mecánico, es decir que en este lugar sale el oxígeno y entra dióxido de carbono en la fotosíntesis.

Por lo que, como resultado del proceso de la fotosíntesis se elimina a través de los estomas el oxígeno.

F (Lamarckian evolution) Evolution occurs when organisms with advantageous traits are more likely to survive and reproduce, passing on those traits to their offspring.TTF (Lamarckian evolution) Adaptations are not acquired during the lifetime of an organism but are the result of genetic mutations.F (Lamarckian evolution) Not all organisms are able to adapt to their environment and some may go extinct.F (Lamarckian evolution) Mutations can occur in any type of cell, not just skin cells, but they are random and not necessarily beneficial for adaptation.

(18.) C (19.) A (20.) D (21) E (22.) F (23.) B are correct matching for the given question.

An organism is a living being that has distinct characteristics and can perform various functions necessary for survival. Here are some key points about organisms:

Organisms can be single-celled or multicellular.

They have the ability to grow, reproduce, and respond to their environment.

Organisms can be classified based on their characteristics and features, such as their cell type, body structure, and method of reproduction.

They can be found in diverse environments and ecosystems.

Organisms can be categorized into different groups, such as plants, animals, fungi, and microorganisms.

Organisms interact with each other and their environment, forming complex relationships and ecosystems.

Organisms have evolved over time to adapt to their environment, leading to the diversity of life on Earth.

To learn more about organism refer:

brainly.com/question/17259533

#SPJ1

Answer:

Prokaryotic

Explanation:

Answer:

Since photolysis is the splitting of molecules by light, the oxygen that is formed mostly supplies the oxygen in our atmosphere.

Answer:

Competition is when you compete

Explanation:

Answer:The correct answer is No

Explanation:

DNTP stands for deoxyribose nucleotide triphosphate hired in PCR to extend the developing DNA strand. dATP, dTTP, dGTP and dTTP are 4 not unusual place dNTPs utilized in PCR.

The characteristic of dNTPs in PCR is to extend the developing DNA strand with the assist of Taq DNA polymerase. dNTPs include 4 fundamental nucleotides—dATP, dCTP, dGTP, and dTTP—as constructing blocks of latest DNA strands. These 4 nucleotides are commonly brought to the PCR response in equimolar quantities for highest quality base incorporation. Nucleotide triphosphate utilized in each DNA replication. That is DNTPS and transcription. That is anti pius due to the fact each replication and transcription are persistent techniques and the excessive dialysis of a bond withinside the NTP or D NTP is exotic, which lets in for our couple response.

To learn more about DNA replication check the link below:

https://brainly.com/question/14347138

#SPJ4

The correct answers are B. Produces progesterone, C. Forms from the extraembryonic mesoderm, hyoderm and endoderm, D. Does not promote antibody production by the mother, and E. Becomes the principal embryonic part of the placenta.  

The chorion is the outermost and largest membrane that encloses the developing embryo or fetus in the uterus. It forms from the extraembryonic mesoderm, which is the tissue that develops outside of the embryo or fetus.

The chorion does not produce progesterone, nor does it form from the hyoderm or endoderm. However, it does play a critical role in the development of the placenta.

The chorion becomes the principal embryonic part of the placenta, which is the organ that connects the developing fetus to the mother's uterus and provides nutrients, oxygen, and waste products to the fetus. The chorion is composed of a single layer of cells that secrete a hormone called human chorionic gonadotropin (hCG), which is detectable in the mother's blood and urine during pregnancy.

Learn more about embryonic

https://brainly.com/question/26354941

#SPJ4

Full Question ;

The chorion is an important structure in the development of the fetus. Which of the following statements are true regarding the chorion?

A) promotes the production of T lymphocytes that enhance the maternal immune response.

B) Produces progesterone.

C) Forms from the extraembryonic mesoderm, hyoderm and endoderm.

D) Promotes antibody production by the mother.

E) Becomes the principal embryonic part of the placenta.

Answer: DNA sequence: C C A C T C T T A C T T

mRNA sequence: G G U-G A G-A A U- G A A

Amino acid: GLY-GLU-ASN-GLU

Letter symbol: GENE

Explanation:

Whats up

Answer:Despite the immense variety of species, these aquatic creatures generally share a similar body shape. They have elongated bodies with long tails, and their pectoral fins usually stick outward from their bodies rather than downward. While most species measure at about three feet long, they range in size from about eight inches long to over five feet long.With such a wide variety of species to choose from, you can find any number of interesting traits and adaptations. Learn more about some individual catshark species below.

The nursehound is one of the largest catshark species, with maximum lengths exceeding five feet. Their name originates from a fisherman’s tale, which depicts this species caring for its younger relatives. Despite this name, nursehounds do not offer any parental care.

Despite the unappealing name, people actually eat this species as food! They are popular in England, Germany, Italy, and France.

You can find various Cat Shark species in oceans nearly worldwide. The different species live in tropical and temperate oceans. Each species has its own unique range and distribution. Some species live across entire oceans, while others only live in a single small region.

These sharks are carnivores, which means that they eat other animals. Their diet generally depends on two primary factors, their size and their location. Smaller species usually feed on small fish, squid, crabs, and other invertebrates. Larger species can fit larger fish and other prey in their mouths.

Species living in different areas eat different prey, depending on what is abundant near them. Regardless of species, these sharks mostly eat other benthic organisms rather than traveling up the water column for food.

Human interaction varies drastically from species to species. Those with large populations and wide distributions generally do not suffer as heavily from overfishing and bycatch. However, species that live in small regions decline swiftly due to human impacts.

Some of the primary threats to these creatures include overfishing of their populations or their prey, bycatch in nets aimed at other species, pollution of their waters. In  addition, climate change impacts temperatures, reducing egg viability, as well as negatively affecting their prey species.

Explanation: it's too long to type

These epigenetic markers are dynamic and can change in response to various environmental and developmental cues, leading to the regulation of genes expression in specific cells at specific times.

There are several epigenetic chemical markers associated with DNA that can determine gene expression in each cell. Some examples include:

DNA methylation: This involves the addition of a methyl group to a cytosine base in a DNA molecule, typically at CpG sites. DNA methylation can repress gene expression by preventing the binding of transcription factors to DNA.

Histone modifications: Histones are proteins that DNA wraps around to form nucleosomes. Different chemical modifications to histones, such as acetylation, methylation, or phosphorylation, can either activate or repress gene expression by changing the accessibility of DNA to transcription factors.

Non-coding RNAs: These include microRNAs and long non-coding RNAs, which can regulate gene expression by binding to messenger RNAs and preventing their translation into proteins.

Chromatin remodeling: This involves the rearrangement of chromatin structure to either expose or hide specific genes, which can affect their expression levels.

To know more about genes,

https://brainly.com/question/30767484

#SPJ11

Answer:

Each theca contains two microsporangia, also known as pollen sacs

Explanation:

Each theca contains two microsporangia, also known as pollen sacs. The microsporangia produce the microspores, which for seed plants are known as pollen grains. If the pollen sacs are not adjacent, or if they open separately, then no thecae are formed.