NEET Biology question

At which stage of meiosis is the genetic constitution of gametes finally decided?

(A)Metaphase I
(B)Anaphase IICorrect
(C)Metaphase II
(D)Anaphase I

Answer: (B)

Solution

By anaphase I (after crossing over at pachytene), homologous chromosomes separate, but each chromosome still carries two sister chromatids that may themselves now differ genetically due to crossing over.

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Question ID VK-127446