In human females at the time of birth there are two million ova: how many of them normally reach maturity in the course of normal reproductive life
$500$
$1000$
$2000$
$5000$
Female rabbit is
During embryonic development, the establishment of polarity along anterior/ posterior, dorsal/ventral or medial/lateral axis is called
A blastula which is solid, is known as
Spiral cleavage is found in
In the fertile human female, approximately on which day of the menstrual cycle $(32\; days)$ does ovulation take place?