Zona pellucida of mammalian egg serves which of the following purpose
Maintains normal cleavage of the egg
Prevents egg fusion
Prevents polyspermy
All the above
Which of the following undergoes spermiogenesis?
Which one of the following list contains only the mesodermal structures
In human female, the blastocyst
Umbilical cord in mammals, contains
A layer of cortical granules is found beneath the