NEET Biology question

Genetic variation in a population arises due to

(A)Recombination only
(B)Mutation as well as recombinationCorrect
(C)Reproductive isolation and selection only
(D)Mutations only

Answer: (B)

Solution

Genetic variation exists due to the reshuffling of genes caused by recombination as well as by mutation. The recombinations are produced by the routine reshuffling of genes during independent assortment of chromosomes, reciprocal crossing of genes during crossing over and random fertilization of gametes. Mutation is

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Question ID VK-121631