Human Reproduction Question 416

Question: Holoblastic cleavage may occur in eggs which are [AIIMS 1987; MP PMT 1994]

Options:

A) Oligolecithal only

B) Mesolecithal only

C) Macrolecithal only

D) Oligolecithal and mesolecithal both

Show Answer

Answer:

Correct Answer: D

Solution:

In oligolecithal eggs viz.

Amphioxus, holoblastic cleavage takes place and in mesolecithal eggs viz.

fishes and amphibians, unequal holoblastic cleavage (except I and II) is found.