The fertilization membrane during fertilization is synthesized by
Mitochondria
Golgi bodies
Acid mucopolysaccharides of cortical granules
All the above
The disadvantage of parthenogenesis is
Meroblastic cleavage refers to which type of division of egg
Blastodisc or germinal disc refers to the protoplasm of egg, this is restricted to small area in
In eggs which have very thick and resistant membrane e.g., fishes and insects sperm penetrate through a special canal called
A woman with a typical $28 \;day$ menstrual cycle is most likely to become pregnant as a result of sexual intercourse on ..... of cycle