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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.
(b) How many spermatids will be formed?
(c) How many chromatids are found during oogenesis in primary oocyte and first polar body in a human female? [1+1+1]