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What is an example of a beneficial gene mutation?

What is an example of a beneficial gene mutation?

There are several well-known examples of beneficial mutations. Here are two such examples: Mutations have occurred in bacteria that allow the bacteria to survive in the presence of antibiotic drugs, leading to the evolution of antibiotic-resistant strains of bacteria.

Are there any good genetic mutations?

Most gene mutations have no effect on health. And the body can repair many mutations. Some mutations are even helpful. For example, people can have a mutation that protects them from heart disease or gives them harder bones.

What kinds of mutations are beneficial?

There are several well-known examples of beneficial mutations. Here are just two: Mutations in many bacteria that allow them to survive in the presence of antibiotic drugs. The mutations lead to antibiotic-resistant strains of bacteria.

Which is an example of a beneficial mutation Brainly?

one that changes the color of a rabbit, allowing it to hide from predators. one that results in lighter flower petal colors without changing the plant’s ability to reproduce. one that causes a person’s body to produce thick mucus that clogs the lungs. one that makes it easier for a corn plant to contract a disease.

How common are beneficial mutations?

Beneficial mutations occur every 7 – 10 years on the average, leading to 1 – 2 generations per year. During the bursts of evolution, evolution would occur about 100 times this fast, which means 100 times as many beneficial mutations.

Can radiation cause beneficial mutations?

When they counted the cells that had taken up foreign DNA, they found that low doses of radiation, in the upper range of common diagnostic procedures, create mutations through inserted DNA even more efficiently than the much larger doses studied previously.

Which is an example of a beneficial mutation one that changes the color?

It helps in the formation of new proteins that help organisms to better adapt according to the changes in the environment, in this case there are changes in the color of a rabbit, allowing it to hide from predators so the correct answer will be (A).

How can mutations be helpful and harmful?

The majority of mutations are neutral in their effects on the organisms in which they occur. Beneficial mutations may become more common through natural selection. Harmful mutations may cause genetic disorders or cancer.

Are beneficial mutations rare?

But beneficial mutations are accumulating at the rate of one every 5 or 10 years, or 100 or 200 per thousand years, under the traditional scenario. Since all of the beneficial mutations would be preserved, this would mean that out of the entire genome, only 100 or 200 point mutations are beneficial.

What mutations Did Chernobyl Cause?

The higher someone’s radiation dose, the more likely their thyroid cells bore a type of mutation called a DNA double-strand break. Researchers also found that the younger someone was when they were exposed to radiation, the more pronounced the alterations got.

Can a mutation be beneficial to an organism?

Mutations occur throughout the natural world. Some mutations are beneficial and increase the possibility that an organism will thrive and pass on its genes to the next generation. When mutations improve survival or reproduction, the process of natural selection will cause the mutation to become more common over time.

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