Assertion :The type B spermatogonia are called primary spermatocytes. Reason: Primary spermatocytes complete the first meiotic division leading to secondary spermatocytes.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
The spermatogoina has a class of mitotic division type B spermatogonia are engendered that also divide themselves mitotically into primary spermatocytes. Secondary spermatocyte is a type of spermatocyte that is produced by division of a primary spermatocyte in the first meiotic division, that has a haploid number of chromosomes. But the secondary spermatocyte formation is not the assertion for the type B spermatogoina called as primary spermatocytes.
So, the correct answer is 'Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion'.

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