• Cell Biology Different Types Of Spermatogenesis, Oogenesis, and Fertilization

    Cell Biology Different Types Of Spermatogenesis, Oogenesis, and Fertilization

    The present models presented in Figure 3 served since the basis for developing hypothesis that is new.

    Spermatogenesis ( Figure 3A ): Spermatocytes produce 4 spermatids, 2 of that have X intercourse chromosome therefore the other 2 spermatids have actually Y intercourse chromosome. Just 2 associated with 4 spermatids take part in genetic recombination during meiosis we.

    Oogenesis ( Figure 3B ): whilst the 4 gametes aren’t differentiated, the assumption is that any 2 gametes could form the secondary oocyte resulting in a ovum with just one X chromosome.

    Fertilization ( Figure 3C ): During fertilization, some of the 4 haploid spermatozoa can penetrate the ovum and fuse with all the X intercourse chromosome to make the zygote. The intercourse regarding the offspring is determined according to perhaps the spermatozoon utilizing the X or Y chromosome unites utilizing the X intercourse chromosome within the ovum to make the zygote; leading to feminine (XX) or male (XY) offspring. 4,6

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