Where does the formation of the zygote occur during fertilization in rabbits?

When the cleavage furrow extends from the animal pole to the vegetal pole and does not bisect the egg equally into two blastomeres,the plane of cleavage is:

The embryo at the $16$-celled stage is called:

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

Which one of the following develops from the trophoblast?

Blastocyst is a modified blastula of