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Which example shows an acquired trait?

Answer and explanation

Correct answer: Darkening of skin in sunlight

The governing concept is the difference between inherited and acquired traits. Darkening of skin after exposure to sunlight develops during an individual’s lifetime because of an environmental influence, so it is an acquired change. Blood group and genetically controlled eye colour are inherited characteristics, while chromosome number is a genetic feature rather than a lifetime-acquired trait. Sun tanning normally does not alter reproductive-cell DNA in a heritable way.

Related tags

Acquired TraitEnvironmentHeredityHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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