Which distinguishes a morula from a blastula
Presence of more yolk
Absence of yolk
Presence of a cavity
Absence of a cavity
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
Give scientific reasons : Enzymes are secreted from the cells of trophoblast.
Fertilization is depicted by the condition
Which is the correct sequence in the development of man
The fertilized egg divides by the process of