The thickness of the vitelline membrane is about:

Where is the yolk found in a telolecithal egg?

In females, at the time of birth, the oocytes are present in which form?

What is the role played by luteinizing hormones in males and females respectively?

$A$ : The number of male gametes produced is several times more than the number of female gametes produced.
$R$ : This compensates for the loss of male gametes during movement.

If a germ cell in a female gonad and a germ cell in a male gonad begin undergoing meiosis simultaneously,what will be the ratio of ova and sperms produced?