Human Reproduction Question 98

Question: An avian blastula is called

Options:

A) Blastocyst

B) Trophoblast

C) Blastoderm

D) Foetal blastula

Show Answer

Answer:

Correct Answer: C

Solution:

Disc shaped blastula (Discoblastula) is formed by meroblastic discoidal cleavage as in fishes, reptiles, birds and egg laying mammals.

The disc formed is called blastoderm.