Question

Why cleavage in avian is different from other cleavages

Answer 1

Answer:

Bcoz,cleavage in avian has no such thing like other normal cleavages..So it is different from others.

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Answer 2

Answer:

HEY MATE,

HERE'S YOUR ANSWER.

Avian embryos differ from those of other vertebrates in several respects – among them, they have a large mass of yolk, the cells initially divide from the centre of a disk with cleavage planes that open into the yolk, and the embryo has great ability to regulate until very late stages of development.

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