Cleavage as part as embryonic development is distinctive because it involves ________.

A) cell division by mitosis
B) meiosis
C) the fusion of gametes
D) none of the above

Cleavage

The process of cell division in the early embryo, leading to the formation of the blastula.

Cell Division

The process by which a parent cell divides into two or more daughter cells, an essential mechanism for growth, repair, and reproduction in organisms.