A woman with a typical $28 \;day$ menstrual cycle is most likely to become pregnant as a result of sexual intercourse on ..... of cycle
$1-3\; days$
$5-8\; days$
$12-15\;days$
$24-28\; days$
The abdominal passage which connects the abdominal cavity with the scrotal sac in mammals is known as
Failure of descending testis into scrotum is known as
$FSH$ and $LH$ is
Umbilical cord in mammals, contains
Cleavage is a unique form of mitotic cell division in which