$A$ : Blastocyst undergoes gastrulation to produce the three germinal layers.
$R$ : This involves cell movements (morphogenetic movement) that eventually help to attain new shape and morphology of embryo
Assertion and Reason both are correct and also correct explantion.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
How many eggs do you think were released by the ovary of a female dog which gave birth to $6$ puppies?
Ectopic pregnancies are referred to as
Which one of the following statement is correct
The chemical fertilizer is present in
Proctodaeum in rabbit is