When the central mass of yolk restricts cleavage to the surface of the egg,and 8 rounds of mitosis without cytoplasmic division pepper the surface with nuclei that eventually are enclosed,this is ______ cleavage.
A)radial
B)spiral
C)superficial
D)trophoblastic

Question

Quizplus · Accepted Answer

This is describing superficial cleavage, where mitotic divisions occur only at the surface of the egg and create a layer of nuclei without dividing the cytoplasm.

When the Central Mass of Yolk Restricts Cleavage to the Surface