In which of the following animals is cleavage | vedclass

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(C) Cleavage is the series of mitotic divisions of the zygote. In animals with telolecithal eggs (eggs with a large amount of yolk concentrated at the

Vedclass · Accepted Answer

Hen

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(C) Cleavage is the series of mitotic divisions of the zygote. In animals with telolecithal eggs (eggs with a large amount of yolk concentrated at the vegetal pole),such as birds (e.g.,hen) and reptiles,the yolk inhibits the cleavage furrow from passing through the entire egg. Consequently,cleavage is restricted to a small disc-like area at the animal pole,which is known as discoidal meroblastic cleavage. Therefore,in a hen's egg,cleavage is restricted to a small portion of the animal pole.

In which of the following animals is cleavage restricted to a small portion of the animal pole of the egg?

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