1. Tardigrade
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  4. 2n = 16 is in a primary spermatocyte which is in metaphase of first meiotic division. What shall be the total number of chromatids in each of the secondary spermatocyte?

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Q. $2n = 16$ is in a primary spermatocyte which is in metaphase of first meiotic division. What shall be the total number of chromatids in each of the secondary spermatocyte?

KCETKCET 2009Human Reproduction

Solution:

Secondary spermatocyte contains half the number of chromosomes i.e., $8$. Each chromosome has $2$ chromatids, therefore, $8$ chromosomes will have $16$ chromatids in all.