NEET Biology question

Crossing over in a diploid organism is responsible for

(A)Segregation of alleles
(B)Recombination of linked allelesCorrect
(C)Dominance of genes
(D)Linkage between genes

Answer: (B)

Solution

Crossing over is the reciprocal exchange of segments between non-sister chromatids of a pair of homologous chromosomes during meiosis (pachytene), which breaks up existing combinations of linked alleles and creates new, recombinant combinations. Segregation of alleles (a) occurs due to

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Question ID VK-120216