Which one of the following parts serves the function of primary organizer in frog
Dorsal tip of gastrula
Grey crescent area of frog
Chorda-mesoderm of gastrula
Any of the above
It's Obvious
The origin of kidney and ureter in Rana tigrina is
Where do sperms get matured?
True coelom develops as a split in
By the contraction of spermatic cord the testis of man are not taken to the abdominal cavity. It is due to the following structure
What helps in the penetration of egg by the sperm
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