Aniridia is a human condition in which the eye has no iris. The protein encoded by the gene responsible for aniridia is very nearly identical to the protein product of the fly Eyeless protein. What experiment could provide evidence that the two genes are functionally equivalent?

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Answer 1
Answer:

Answer:

An Experiment to get proof that the two genes are equivalent functionally will be to introduce the aneroid mutation from the human eye with the condition into the  embryos  of Drosophila (small fruit flies) and look out for the formation of iris.

Explanation:

There exists a medical test called The Invitae Aniridia Test  which can analyze the primary gene associated with aniridia however, in order to provide evidence that these same gene is also present in small fruit flies (a genus of flies called  Drosophila) The method described in the answer above will do.


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Bacteria in your lab are grown under two conditions, one with exposure to glucose and the other with lactose. what best describes the effects glucose will have upon the enzymes used to metabolize lactose?

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It seems that you have missed the given options for this question, but anyway, here is the answer. I believe that the statement that best describes the effects glucose will have upon the enzymes used to metabolize lactose is that Glucose repression stops the lac operon from being induced. Hope this is the answer you are looking for.

If your grandmother's head suddenly tends to deviate to one side, this could be an issue with which cranial nerve?

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The answer is simple it is accessory

what is viscosity and what effect does heat have on the viscosity of DNA? What is the underlying cause of the change?​

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Answer:

Please find the definition of viscosity, effect of heat on DNA explanation to this question below

Explanation:

Viscosity is a term used to describe FLUIDS, which includes liquids and gases. Viscosity refers to the ability of a gas or liquid to resist flow. In other words, it is the measure of the internal friction that exists between the molecules of a fluid, which resists its flow.

DNA in its natural state exists in a liquid solution, hence, when HEAT is applied, the heat causes ITS MOLECULES to MOVE RELATIVELY FAST and as a result the molecules lose the friction between them and begin to flow. Based on this, heat is said to make DNA LESS VISCOUS i.e. to flow more rapidly.

Final answer:

Viscosity refers to the 'thickness' or 'stickiness' of a fluid. Heat decreases the viscosity of DNA by providing energy to the molecules, which reduces the 'stickiness' between them. The underlying cause is changes in the interactions between the DNA molecules due to the heat energy overcoming the forces holding them together.

Explanation:

Viscosity is a property of a fluid that resists the force tending to cause the fluid to flow. In simple terms, it is the 'thickness' or 'stickiness' of a fluid. The greater the viscosity, the slower the fluid flows.

When exposed to heat, the viscosity of DNA decreases - it 'thins' and flows more easily. This happens because heat provides energy to the DNA molecules, increasing their movement and reducing the 'stickiness' between them.

The underlying cause of the change in viscosity due to heat is actually due to a change in the interactions between the DNA molecules. The added heat energy overcomes the forces holding the molecules close together, allowing them to move more freely relative to each other, thus decreasing the viscosity.

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Based on your knowledge of ocean chemistry, predict the feeding mode and size of organisms found in the deep layers of the ocean, and select the best explanation.

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In the deep layers of the ocean, various distinct kinds of species are found like fangtooth fish and vampire squid, to sea urchins and coffinfish.  

One of the probable adaptation, which is not fully understood in the deep sea is gigantism. This refers to the ability of animals to become highly enormous in size. A well-known illustration is a giant squid, and others, like giant isopod, the kings of herrings selfish, and the colossal squid.  

One of the possible reason of gigantism is the tendency of the species in the deep sea to live for long years, that is, for decades or for even centuries. As food is not abundant in the deep zones, thus deep sea creatures have evolved some interesting mechanisms of feeding.  

In the non-existence of photosynthesis, the majority of food comprises of detritus, that is, the decaying leftovers of algae, microbes, animals, and plants from the upper layers of the ocean. Apart from that, the corpses of large animals, like whales that sink to the bottom give irregular but huge feasts for deep-sea animals.  


What is a potential outcome if one of your father's gametes did not go through meiosis correctly and one of the chromosomes did not separate correctly? You inherited a normal amount of genetic material from your mother but inherited an extra chromosome from your father. One of your pairs of chromosomes will not be homologous. You inherited an abnormal amount of genetic material from both your mother and father. One of your pairs of chromosomes will not be homologous. You inherited a normal amount of genetic material from your mother but inherited an extra chromosome from your father. Two of your pairs of chromosomes will not be homologous. You inherited a normal amount of genetic material from both your mother and father resulting in the inheritance of a normal amount of genetic material.

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Answer:

You inherited a normal amount of genetic material from your mother but inherited an extra chromosome from your father.

Explanation:

It seems logical because if you think about it. If one of your father's gametes were made incorectly and you got it you could come out looking deformed or you can have something extra.

Please let me know if I'm wrong.

Molecularly speaking, when you look at a tree, what are you actually look at?

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Answer:

A heterogeneous mixture of water, carbon dioxide, oxygen, glucose molecules  

Final answer:

At a molecular level, looking at a tree involves observing atoms and molecules that combine to form more complex structures such as cells, tissues, and organs. These microscopic structures support the tree's growth, function, and ability to adapt to its environment. Thus, a tree represents various levels of biological organization.

Explanation:

Molecularly speaking, when you look at a tree you're witnessing an array of complex structures that form the basis for life. This includes atoms, the smallest and most fundamental units of matter that form molecules. Many biologically important molecules in the tree are macromolecules, large molecules formed by polymerization where smaller units called monomers combine. These molecules are significant components of the tree's cells which are the fundamental building units of life.

Additionally, what you're also seeing are elements of the tree's structure including tissues and organs that are formed by these cells. For instance, the tree's leaves contain specialized cells like guard cells which help regulate gas exchange. On a larger scale, these molecules and cells also contribute to the overall health, function, and resilience of the tree in its ecosystem.

Therefore, when you look at a tree, you're essentially witnessing numerous levels of biological organization. These range from the level of molecules and cells up through tissues and organs, to the entire tree or organism itself. This allows the tree to grow, function, and adapt to its environment.

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