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- meosis occurs once for female, but for male is constanty27.What is the major difference between primary and secondary spermatocyte?28.What is unusual about communication between spermatogonia?29.Describe the role(s) of galactosyltransferase molecules on spermatogenic cells.
30.What is the role of Sertoli cells in respect to developing sperm cells? (Remember their role in the developing testis)31.What are the two types of ovulation in mammals?2) Most mammals however have periodicovulation.