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Why is the usual non-inheritance of acquired traits important for understanding evolution?

Answer and explanation

Correct answer: Because evolution requires heritable changes that pass to the next generation through gametes

Evolution requires heritable variation: a change must affect genetic information in cells that contribute to reproduction and then be passed to descendants. Acquired traits, such as stronger muscles from exercise, usually affect somatic cells and do not alter the DNA of gametes. They therefore are not directly inherited. Option A states the essential condition; B and D support an incorrect idea, while C says acquired traits always change chromosomes, which is false.

Related tags

Acquired-TraitsEvolutionHeritable-VariationEvolution And SpeciationHeredity And EvolutionScienceClass 10 Mcq

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