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Question
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How does the age of a primary oocyte in a female compare with the age of a primary spermatocyte in a male?
How does the age of a primary oocyte in a female compare with the age of a primary spermatocyte in a male?
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Solution
Primary oocytes are present in the ovary at birth, so they are as old as the woman. In males, primary spermatocytes are continually being formed from stem cells (spermatogonia) and thus are only a few days old.
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(a) About 300 million spermatozoa may be present in a human male ejaculation at one time. Calculate how many spermatocytes will be involved to produce this number of spermatozoa.Join BYJU'S Learning Program
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