7. How many cells are produced at the end of spermogenesis & ovogenesis?
Oogenesis is the creation of the female gamete and spermatogenesis is the creation of the male gamete.Meiosis begins in male once they reach puberty (they do both meiosis I and II) and do it for the rest of their lives non-stop Females begin Meiosis I in the womb and they don't start to do Meiosis II until they reach puberty. Unlike males, females don't form gametes non stop and they stop forming gametes at menopause.The end result for males are four sperm cells For females, they create three small polar bodies and one big daughter cell. The polar bodies give themselves up and give their nutrients to the big cell. So for females, they create only one gamete while males create four.These two cells seem to be almost same with the difference that they are generated in two different types of systems i.e. male and female body. Apart from this simple difference, there are a lot of other differences between Spermatogenesis and Oogenesis. Spermatogenesis cells of a human being are made in the testes portion of male body. On the other hand, Oogenesis cells are produced in the ovaries of female where eggs are made. As a result of Spermatogenesis, four spermatids are obtained. These four cells are divided in to two cells each which carry on the process to get mature for developing four mature sperm cells. On the other hand, Oogenesis produces four cells three of which are polar bodies while one is ovum. Only ovum is taken to the process of maturity which allows developing a single egg at the end. The size of Spermatogenesis cells is quite small when compared to the Oogenesis cell of a female. The production of Spermatogenesis continues in the body of a male human when he reaches the age of puberty till he dies. The production of Oogenesis in a female human starts even before a female is born and continues till the time when menstruation is completely ended which usually happens during the age of 45 till 55