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What is shown when a recessive trait reappears in the second generation?

Answer and explanation

Correct answer: The trait was hidden in the first generation, not destroyed

The governing concept is Mendelian inheritance. A recessive allele can be present in an organism without being expressed when a dominant allele is also present. During gamete formation and fertilisation, two recessive alleles may come together in the second generation, making the trait visible again. Thus, its reappearance proves that the trait was inherited and concealed, not destroyed. Options B, C and D contradict heredity principles.

Related tags

Recessive TraitF2 GenerationMendelian InheritanceHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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