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Q.

Which of the following is the correct statement about spermatogenesis?

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a

Spermatogonia have 46 chromosomes and always undergo meiotic cell division

b

Primary spermatocytes divide by mitosis.

c

Secondary spermatocytes have 23 chromosomes and undergo second meiotic division

d

Spermatozoa are transformed into spermatids

answer is C.

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Detailed Solution

Each spermatogonium is diploid and contains 46 chromosomes and undergoes mitotic divisions. 

Primary spermatocytes undergo meiosis-I

A secondary spermatocytes have 23 chromosomes each and undergo meiosis-II. 

The spermatids are transformed into spermatozoa (sperms) by the process called spermiogenesis. 

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