Cell division, the basic means by which genetic information is passed from generation to generation, involves tightly coordinated movements of a cell's DNA. This page describes the major phases of ...

The process by which an immature oocyte develops into a fertilizable gamete is known as oocyte maturation. In most animals, the mature oocytes or eggs are arrested in the meiotic cell cycle awaiting ...

According to the theory old cells split into new cells and the formation of new cells is known as cell division or cell production. This was firstly observed by Flemming in 1882 but an extensive in ...

The hallmark of successful human reproduction is the fusion between a haploid spermatozoon and a metaphase II oocyte. The generation of such an oocyte involves a series of steps whereby ...