Cleavage in bird's egg is
Equal and holoblastic
Unequal and holoblastic
Discoidal meroblastic
Superficial meroblastic
Endometrium is lining of
Number of sperms present in a single ejaculation of semen contains
In a simplest type of placenta the foetal blood is separated from the maternal blood by six barriers. How many barriers are lost in human placenta
In female mammals Bartholin's glands open into the
Trophoblast, is not involved in the formation of