Unfertilized egg of human contains or When released from ovary, human egg contains
One $Y$ chromosome
$X$ and $Y$ chromosome
$XX$ chromosome
One $X$ chromosome
Find $A$ to $D$ in figure
What is true about cleavage in the fertilised egg in humans
Assertion : In morula stage, cells divide without increase in size.
Reason : Zona pellucida remains undivided till cleavage is complete.
If $X$ chromosome contained sperm entered in $X$ chromosome contained ovum than ...... is produced
Polyspermy refers to