If an organism has a useful variation but cannot reproduce, why will that variation not increase in the population?
Answer and explanation
Correct answer: Because the trait will not pass to the next generation
Natural selection changes a population only when heritable variation affects survival or reproduction and is transmitted to descendants. A useful trait in an organism that leaves no offspring cannot be inherited by the next generation, so its frequency cannot rise through that organism’s reproduction. Option A is correct. The trait need not be recessive, become a fossil, or dissolve in blood; those statements do not explain population-level inheritance.
Frequently asked questions
What is the correct answer to this question?
Because the trait will not pass to the next generation
Why is this the correct answer?
Natural selection changes a population only when heritable variation affects survival or reproduction and is transmitted to descendants. A useful trait in an organism that leaves no offspring cannot be inherited by the next generation, so its frequency cannot rise through that organism’s reproduction. Option A is correct. The trait need not be recessive, become a fossil, or dissolve in blood; those statements do not explain population-level inheritance.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Heredity and Evolution.
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