Essays Tagged: "Polarity in embryogenesis"

The stages of vertebrate development from fertilization to neural fold stage.

forms a 2N zygote. Once fertilization is completed, a succession of rapid cell divisions ensues. During cleavage, the cells undergo the S (DNA synthesis) and M (mitosis) phases of the cell cycle but v ... M (mitosis) phases of the cell cycle but virtually skip the G1 and G2 phases, so little or no protein synthesis occurs. The embryo does not enlarge during this period of development. Cleavage parts t ...

(2 pages) 22 0 5.0 Feb/2006

Subjects: Science Essays > Biology