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Why does cutting the tail of a mouse not make its offspring tailless?

Answer and explanation

Correct answer: Cutting the tail is an acquired body change, not a gene change

The governing concept is that acquired somatic changes are different from changes in hereditary material. Removing a mouse’s tail changes its body after birth, but it does not normally alter the DNA in its sperm or eggs. The offspring receive hereditary information through those reproductive cells and therefore retain the genetic instructions for tail development. A is correct; B, C and D contradict basic genetics and development.

Related tags

Acquired CharacterMouse TailInheritanceHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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