What is true about cells during cleavage
They move from animal pole to vegetal pole
They do not grow in size
They consume little ${O_2}$
Their divisions resemble ordinary mitosis
Which of the following is similar in function to Cowper's gland
The amnion of mammalian embryo is derived from
Ovum receives the sperm in the region of
The endodermel derivatives include
The main function of tropho ectoderm in mammalian embryo is