The cleavage is such method of divisions of fertilized egg in which the egg
Does not divide but only increase in size
Divides repeatedly but without growth
Divides repeatedly and grows
None of these
The point of sperm entry during fertilization forms
Fertilisation of an egg cell it means......
$(1)$ End of process of oogenesis
$(2)$ Induces the completion of the second meiotic division
$(3)$ The corpus luteum degenerates
$(4)$ Signals for maintain progesterone level in blood
$(5)$ Formation of zygote
In our society women are blamed for producing female children. Choose the correct answer for the sexdetermination in humans.
Choose the correct pair -
In which stage of development the embryonic cells form the germinal layers by the movement