In males,where is the hormone $Inhibin$ released from?

Do all the gametes formed from a parent organism have the same genetic composition (identical $DNA$ copies of the parental genome)? Analyse the situation with the background of gametogenesis and provide a suitable explanation.

Which cell is released from the ovary during ovulation?

Match the part of the sperm in Column $I$ with its component in Column $II$ and its function in Column $III$, and select the correct option.

Column $I$ (Part of sperm)	Column $II$ (Component) and Column $III$ (Function)
$A$. Head	$Q$. Acrosome - $Z$. Secretes penetrating enzyme
$B$. Neck	$P$. Centrioles - $X$. Helps in formation of synkaryon spindle
$C$. Middle piece	$R$. Nebenkern - $Y$. Provides energy for sperm movement
$D$. Tail	$S$. Axial filament - $W$. Whiplash movement in female reproductive tract

Where is the yolk found in a telolecithal egg?

Which part of the sperm provides energy for the fertilization of the ovum?