Which of the following is not correct for gasrtulation? |
|||
a) |
Archenteron is formed |
b) |
All germinal layers are formed |
c) |
Morphogenetic movements |
d) |
Some blastomeres and blastocoel degenerate |
Which of the following is not correct for gasrtulation? |
|||
a) |
Archenteron is formed |
b) |
All germinal layers are formed |
c) |
Morphogenetic movements |
d) |
Some blastomeres and blastocoel degenerate |
(d)
Gasrtulation is characterized by the presence of archenteron, three germinal layers (ectoderm, mesoderm, and endoderm) and morphogenetic movements.