In which stage is blastocoele formed
Morula
Blastula
Gastrula
None of these
Describe the process of implantation of embryo.
The third phase in the development of a mammal is
Where does fertilisation take place in human beings ? What changes occur in egg cell (ovum) during fertilisation ?
Assertion : In morula stage, cells divide without increase in size.
Reason : Zona pellucida remains undivided till cleavage is complete.
Cleavage is followed by which stage