A change in the amount of yolk and its distribution in the egg will affect
A change in the amount of yolk and its distribution in the egg will affect
formation of zygote
pattern of cleavage
number of blastomeres produced
fertilization
Solution
The mode of cleavage is determined by the amount of yolk and its distribution.
(i) Holoblastic-The cleavage, in which the segmentation lines pass through the entire egg, dividing it completely, eg, frog, human egg, etc.
(ii) Meroblastic-The lines of segmentation do not completely pass through the egg and remain confined to a part of the egg, eg, Insects, birds, reptiles.