When the cleavage furrow extends from animal pole to vegetal pole and does not bisects the egg equally into two blastomeres the plane of cleavage is
Meridional
Equatorial
Latitudinal
Vertical
It's Obvious
Which of the following is not correct for gastrulation
In mammals egg are microlecithal and isolecithal because these are
$A$ : If both the ovaries are removed after the first trimester of pregnancy, still there would be normal growth of foetus. $R$ : After first trimester placenta secretes sufficient progesterone
Which of the following cannot pass through the placenta into the foetus
The shock absorber fluid of the developing embryo is known as
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