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Why do offspring show slight differences from their parents?

Answer and explanation

Correct answer: Small changes can occur while genetic material is copied

During reproduction, genetic material must be copied and passed to the next generation. Copying is generally accurate, but small errors or changes can occur, producing heritable variation. Sexual reproduction can also combine genetic material from two parents, increasing differences among offspring. These variations may later be acted upon by natural selection. Therefore option A explains the difference; the other options either contradict observed variation or describe unrelated environmental conditions.

Related tags

VariationHeredityGenetic-CopyingHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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