Cleavage as part of embryonic development is distinctive because it involves ________.
A) splitting the cell into two separate cells
B) forming the primary germ layers
C) meiotic cell divisions
D) cell division by mitosis with little or no growth between successive divisions

Question

Quizplus · Accepted Answer

Cleavage is a rapid series of cell divisions by mitosis, which occurs without growth between the successive divisions. This process eventually leads to the formation of a blastula, which consists of a ball of cells with a fluid-filled cavity. This is distinct from other processes such as meiotic cell divisions or the formation of the primary germ layers.

Cleavage as Part of Embryonic Development Is Distinctive Because It