In the embryonic development of chordate the animal pole forms one of the following of the adult
Dorsal side
Ventral side
Head
Tail
It's Obvious
Blastula lacks
Largest egg is of
In humans, what is the ratio of the number of gametes produced from one male primary sex cell to the number of gametes produced from one female primary sex cell ?
The villi which are formed by the allantochorion to form the intimate connection with uterine endometrium functions as
Tertiary egg membranes are lacking in mammals with the exception of the
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