NEET Biology question

Crossing over takes place between which chromatids and in which stage of the cell cycle?

(A)Non-sister chromatids of non-homologous chromosomes at zygotene stage of prophase I.
(B)Non-sister chromatids of homologous chromosomes at pachytene stage of prophase I.Correct
(C)Non-sister chromatids of homologous chromosomes at zygotene stage of prophase I.
(D)Non-sister chromatids of non-homologous chromosomes at pachytene stage of prophase I.

Answer: (B)

Solution

Crossing over is the reciprocal exchange of genetic material between non-sister chromatids of homologous (not

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Question ID VK-127474