Study the flow chart. Name the hormones labelled as $A, B, C, D$ at each stage.
$A \quad B\quad C \quad D$
$Gn-RH$$\quad$ $ICSH$ $\quad$Androgen$\quad$ $FSH$
$Gn-RH$$\quad$ $LH$$\quad$ $FSH$ $\quad$Androgens
Gonadotropins$\quad $ $LH$ $\quad $$FSH$ $\quad $Testosterone
$Gn-RH$ $\quad $$FSH$$\quad $ $LH$ $\quad $Androgens
Function of gynogamone$-I$ is
Neoteny refers to
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
Cleavage divisions differ from normal mitotic divisions in that
Which one of the following events immediately follows the entry of a spermatozoan into an oocyte