A change in the amount of yolk and its distribution in the egg will affect.

Options

A. formation of zygote
B. pattern of cleavage
C. number of blastomeres produced
D. fertilisation

Answer

B

Explanation

(b) Patterns of cleavage are based on amount of yolk and its distribution in the eggs. Any change in amount and distribution pf yolk directly affects the pattern of cleavage.
As holoblastic cleavage is found in microlecithal, mesolecithal or telolecithal types of eggs. meroblastic cleavage is found in macrolecithal and highly telocithal eggs of reptiles, birds and monotreme mammals.