Question
Biology Question on human reproduction
Gastrula has a pore which is known as _________
A
Gonophore
B
Blastopore
C
Oospore
D
Zoospore
Answer
Blastopore
Explanation
Solution
Gastrulation is a series of changes that transforms a single-layered blastula into gastrula with primary germ layers rearranged. This involves cell movement which leads to new shape and morphology of the embryo. The
morphogenetic movements results in the formation of the cavity called archenteron or primitive gut which opens to outside through blastopore. Through the blastopore yolky endodermal cells are visible. It is present ventrally slightly in front of vegetative pole