There are two alleles at the J locus: J 1
​
and J 2
​
⋅J 2
​
is the less desirable allele-in homozygous form it is lethal-and its frequency in the current generation is .2. What will be the frequency of J 2
​
in the next generation if: a. with respect to fitness, J 1
​
is completely dominant to J 2
​
? b. J 2
​
is partially dominant such that J 1
​
J 2
​
individuals produce 70% fewer offspring than J 1
​
J 1
​
types? c. Compare your results for (a) and (b) above and explain why they differ.

The lin-12 gene codes for a homeobox transcription factor, which is a type of protein that binds to DNA and helps regulate the expression of other genes.

Homeobox transcription factors are important in controlling a variety of cell-fate developmental decisions in C. elegans. Specifically, the lin-12 gene is involved in the regulation of the vulval cell fate specification pathway, which determines which cells will form the vulva during development. In this pathway, the lin-12 gene helps inhibit the expression of certain genes, which then helps guide the cells to form the vulva.

In addition, the lin-12 gene is also involved in the regulation of the sex myoblast determination pathway, which helps determine the fate of cells that become muscle cells. The lin-12 gene helps regulate the expression of certain proteins that are involved in this pathway, which helps guide cells to form muscle cells. Thus, the lin-12 gene is an important regulator in the development of C. elegans, controlling a variety of cell-fate decisions.

Know more about DNA here

https://brainly.com/question/264225#

#SPJ11

In MLA format, the running head for the third page of a paper written by Robert Smith should include his last name and the page number.

The running head should be aligned to the right margin, and it should be one-half inch from the top of the page. Therefore, the correct running head for the third page of Robert Smith's paper in MLA style would be "Smith 3". It is essential to use a consistent running head format throughout the paper to help readers navigate the document. MLA style has specific guidelines for formatting papers, including margins, font size, and citation style. Following these guidelines ensures that papers are easy to read, organized, and properly cited.

To know more about MLA Format visit:

https://brainly.com/question/30756005

#SPJ11

The statement that is true when a cell has a mutation in the p53 gene, such that the p53 protein is not able to be phosphorylated, is: The cell would proceed through the cell cycle even in the presence of DNA damage.

When a cell has a mutation in the p53 gene, preventing the phosphorylation of the p53 protein, it disrupts the normal function of p53 as a tumor suppressor.

Phosphorylation of the p53 protein is crucial for its activation and ability to initiate cell cycle arrest or apoptosis in response to DNA damage or other cellular stressors.

In normal circumstances, when DNA damage occurs, p53 is phosphorylated and accumulates in the nucleus, leading to the activation of genes involved in cell cycle arrest and DNA repair.

This allows the cell to pause and repair the DNA damage before proceeding through the cell cycle.

However, in the case of a mutation that prevents p53 phosphorylation, the cell loses its ability to properly respond to DNA damage.

Without phosphorylation, the p53 protein remains inactive and unable to trigger cell cycle arrest or apoptosis.

As a result, the cell may continue to progress through the cell cycle, even in the presence of DNA damage, increasing the risk of genomic instability and potential tumor formation.

Therefore, the correct statement is that the cell would proceed through the cell cycle even in the presence of DNA damage when the p53 protein cannot be phosphorylated due to a mutation in the p53 gene.

Learn more about phosphorylation

brainly.com/question/30278433

#SPJ11

Answer:

.

Explanation:

.

Answer:

i think its an ocean or a big lake

Explanation:

Answer:

The adequacy of this fit between a person and the environment can affect the person's motivation, behavior, and overall mental and physical health163; that is, if the fit is optimal, the individual's functioning may be facilitated; if it is unsuitable, the individual may experience maladaptation.

Explanation:

The Fovea, a spot on the back of the retina, contains the highest concentration of cones in the retina.

The fovea centralis, often known as the fovea, is a tiny depression located in the neurosensory retina that has the best visual acuity.

There are a lot of cones in the macula lutea, commonly known as the fovea. These are the retina’s light-sensitive cells that provide clear, center vision.

The area that follows the spot of the retina located on the main axis of the eye is known as the fovea centralis. Since the fovea region of the retina contains the most cone cells, it offers the sharpest potential vision.

The 0.3 mm fovea centralis contains a strong concentration of cone cells.

To know more about fovea visit:

https://brainly.com/question/27289416

#SPJ1

Based on inheritance patterns, se_x-linked traits are present on the se_x chromosomes while autosomal traitsare found on the autosomes.

A dominant allele is a copy of a gene which always appears in every generation.

A pedigree is a chart that shows the inheritance of triats in generations of families.

Based on the pedigree given:

In the pattern of inheritance, all males receive their X chromosome from their mother.

Se_x-linked pedigrees differ from autosomal pedigrees because the traits are located on the se_x chromosomes.

An autosomal dominant trait require only one allele.

Based on the pedigree, the genotype of the offspring are hH, hH and hH based on the genotype of the parents.

Learn more about dominant allele: https://brainly.com/question/2114747

Answer:

xylem and pholem.....?

During rapid breathing, the partial pressure of carbon dioxide (CO2) in the blood decreases. This is due to the increased ventilation, which leads to the removal of more CO2 from the body through exhalation.

During normal breathing, the body maintains a balance of oxygen (O2) and carbon dioxide (CO2) levels in the blood. When we inhale, oxygen enters the lungs and binds to hemoglobin in red blood cells, while CO2 is produced as a waste product of cellular metabolism. CO2 then diffuses into the bloodstream and is transported back to the lungs.

During rapid breathing, also known as hyperventilation, there is an increase in the rate and depth of breathing. This increased ventilation leads to a higher volume of air moving in and out of the lungs. As a result, more CO2 is exhaled with each breath.

The decrease in CO2 levels during rapid breathing causes a decrease in the partial pressure of CO2 in the blood. This is because the removal of CO2 through exhalation exceeds its production in the body. Lower partial pressure of CO2 in the blood can have various physiological effects, such as respiratory alkalosis (a shift towards alkaline pH) and changes in blood pH balance.

In summary, during rapid breathing, the increased ventilation leads to a decrease in the partial pressure of carbon dioxide in the blood due to the enhanced removal of CO2 through exhalation.

Learn more about exhalation here:

https://brainly.com/question/30666564

#SPJ11

Answer:All biological reactions within human cells depend on enzymes. Their power as catalysts enables biological reactions to occur usually in milliseconds

Explanation:i hope this helps :)

Enzymes are proteins that aid in the acceleration of metabolic processes, also known as the chemical reactions that take place in our bodies without which an organism will perish.

Proteins are known as enzymes, and they play the role of biological catalysts by speeding up chemical reactions. The molecules on which enzymes may act are referred to as substrates, and the enzyme is responsible for converting the substrates into different molecules, which are referred to as products.

Enzymes are necessary for digestion, proper functioning of the liver, and many other bodily processes. Both an excess amount of a particular enzyme and a deficiency in that enzyme can be harmful to one's health. The enzymes that are found in our blood can also assist medical professionals in the diagnosis of illnesses and injuries.

Therefore, it can be said that  "without proper enzyme functioning, an organism will perish".

Learn more about enzymes, here:

https://brainly.com/question/15310305

#SPJ2

Answer:

a. Thin myofilaments contain actin, tropomyosin, and troponin.

Explanation: is correct/post protected

Answer:

DECOMPOSER CAUSE THE BSCTERIA DOSENT IT JUST DESCOMPOSE

Answer: C. Decomposer

Explanation: They are there to decompose.

Answer:

ffhutfkaiug. sahim sail sahl

Subtending is determining yardage by comparing the relationship between a distant animal and your fingers or a part of your bow.

Any bow can be hazardous at any range, so care should be used when using one. Shots are often confined to 40 yards or fewer, and at this distance, an arrow can pass through an animal and penetrate another object. Most shots are fired from 15 yards out to assure precision.

A right angle subtends the opposite of a hypotenuse and runs from one side to the other. the angle subtended at the eye by an object of given width and a fixed distance away in order to fix the angular extent with respect to a fixed point or object considered as the vertex of a central angle subtended by an arc.

To know more about distance visit :

https://brainly.com/question/15172156

#SPJ4

Answer:

3. make their own food

they are normally the bottom of the food web or food chain they provide for other organisms and thrive by themselves like plants

During swallowing, the epiglottis prevents choking by folding down to close off the larynx and trachea.

The process of swallowing, also known as deglutition, involves a coordinated effort between multiple structures in the mouth, pharynx, and esophagus. The epiglottis plays a critical role in this process by acting as a protective flap that prevents food and liquids from entering the respiratory system.

When you swallow, the tongue pushes the bolus of food or liquid towards the pharynx. As the bolus moves, the muscles in the pharynx contract, and the larynx elevates. This movement causes the epiglottis to fold down and cover the opening of the larynx, which leads to the trachea. By doing this, the epiglottis effectively blocks the entry of food or liquid into the respiratory system, preventing choking and aspiration.

Once the epiglottis has sealed off the larynx and trachea, the bolus can safely pass through the pharynx and into the esophagus, which is the muscular tube connecting the pharynx to the stomach. From there, peristaltic movements of the esophageal muscles propel the bolus towards the stomach for further digestion. Thus, the epiglottis plays a crucial role in the safe and efficient process of swallowing.

Therefore, the correct answer is "larynx and trachea."

To learn more about Epiglottis visit: https://brainly.com/question/13252472

#SPJ11

Darwin made an important discovery when examining the animals from the Island.

Darwin is a British-born boy's name that hardly ever needs an introduction. Darwin, whose name originated from of the Old English Deorwine and means "dear friend" despite conjuring up images of a much more fatherly naturalist, developed the Darwin  theory theory of evolutionary processes, which maintains that all types of animals emerge and evolve through natural selection of moment, inherited variations that enhance the individual's ability for competition and survival.

A group of people who regularly or possibly interbreed in nature is referred to as a species. A genus is the largest gene pool attainable in the wild in this sense.

To know  more about  Darwin's visit :

https://brainly.com/question/27812304

#SPJ4

Answer:

A

Explanation:

in the inner mitochondrial membrane, in contrast with most of the reactions of the citric acid cycle and fatty acid oxidation, which take place in the matrix.

Answer:A

Explanation:

the plant tissue that transport water and nutriens are phloem and xylem

Answer:

Differences between treatment outcomes for different populations are known as health care disparities.

.・。.・゜✭・have a nice day・✫・゜・。.

Answer:

Hypothesis: The more light there is, the better the plant will grow

Explanation:

Answer:

The mRNA was positively corresponding with its simultaneous serum levels

Explanation:

Hope this helps!

Answer:

Definition: Fresh wate is any naturally occurring water containing low concentrations of dissolved salts and other total dissolved solids

The impact on wetaher: Changes in snowpack depth and extent, seasonal shifts in the timing and volume of runoff, transitions in the peak and base stream flows, and changes in stream and river temperatures are extremely important throughout watersheds and ecosystems.

I hope it helps! im sry if it doesnt

Explanation:

I dont understand this either, but i will recommend you to contact your teacher if you're in virtual school but if you go face-to-face I would still ask my teacher.

Hope this helped, and have a wonderful day :)

The most appropriate design for studying the effects of removing brain tissue from the frontal lobes on behavior in humans is the d. quasi-experiment or correlational study.

This is because true experiments are not possible due to ethical reasons as removing brain tissue from the frontal lobes can cause permanent damage to individuals. A repeated-measures study would not be feasible in this case because the removal of brain tissue is an irreversible process and cannot be undone.

Instead, d. quasi-experiment or correlational study could be conducted where individuals who have undergone frontal lobectomy (removal of part of the frontal lobes) are compared to a control group (individuals who have not undergone the procedure) in terms of their behavior.

This would allow researchers to observe any differences in behavior between the two groups, and to draw conclusions about the effects of removing brain tissue from the frontal lobes on behavior. However, it is important to note that such a study would need to be conducted with great care and attention to ethical considerations to ensure that participants are not harmed in any way.

To know more about brain tissue visit:

https://brainly.com/question/23250383

#SPJ11

Answer:

The correct answer is -  It helps code for proteins.

Explanation:

Nucleic acids are biomolecules that are essential for all life forms, they are of two major types RNA and DNA. In RNA the sugar is ribose whereas in DA deoxyribose sugar is present.

Nucleic acids are helpful in protein synthesis in both types of cells and all organisms. These biomolecule codes for the protein and makes the polypeptide chain made up of amino acids with the help of mRNA and tRNA with ribosomes.