QuestionJune 5, 2025

2/28/25- What is an example of a positive genetic mutation that has happened to an animal/species?(Use a real life example, don't make it up)

2/28/25- What is an example of a positive genetic mutation that has happened to an animal/species?(Use a real life example, don't make it up)
2/28/25- What is an example of a positive genetic mutation that has happened to an
animal/species?(Use a real life example, don't make it up)

Solution
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Answer

The peppered moth's melanism mutation allowed it to better survive in polluted environments by providing improved camouflage. Explanation 1. Identify a positive genetic mutation The peppered moth (Biston betularia) experienced a positive genetic mutation during the Industrial Revolution. This mutation led to a change in coloration from light to dark, known as melanism. 2. Explain the advantage of the mutation The darker coloration provided better camouflage against soot-covered trees, reducing predation by birds and increasing survival rates.

Explanation

1. Identify a positive genetic mutation<br /> The peppered moth (Biston betularia) experienced a positive genetic mutation during the Industrial Revolution. This mutation led to a change in coloration from light to dark, known as melanism.<br /><br />2. Explain the advantage of the mutation<br /> The darker coloration provided better camouflage against soot-covered trees, reducing predation by birds and increasing survival rates.
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