NEET Biology question

When the chromosome number is already reduced to half in the first (reductional) division of meiosis, what is the necessity of the second meiotic division?

(A)The division is required for the formation of four gametes
(B)The division ensures equal distribution of haploid chromosomes
(C)The division ensures equal distribution of genes on chromosomes
(D)The division is required for segregation of the (still-paired sister-chromatid) replicated chromosomesCorrect

Answer: (D)

Solution

After meiosis I, each chromosome in the haploid set still consists of two sister chromatids (from the single pre-meiotic replication).

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Question ID VK-127194