Blastula lacks
Blastomeres
Blastoderm
Blastocoel
Blastopore
The yolk plug of gastrula represents in the later stage its
Seminal plasma of humans is rich in
The best definition of the process of gastrulation is that, it is a process where the
The reproductive cycle in the female primate monkeys, apes and human beings is called
In mammals egg are microlecithal and isolecithal because these are