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

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.