Question

Example of equal holoblastic cleavage in amphioxus

Answer 1

The amount of the yolk and its distribution affect the process of cleavage. ... Such a cleavage may be either equal or unequal. (a) Equal holoblastic cleavage - In microlecithal and isolecithal eggs, cleavage leads to the formation of blastomeres of equal size. Eg: Amphioxus and placental mammals.