Which of the following is not correct for gastrulation
Archenteron is formed
All germinal layers are formed
Morphogenetic movements
Some blastomeres & blastocoel degenerate
Blood flowing in umbilical cord is
In human, the unpaired male reproductive structure is
In human female, the blastocyst
The hormone that prepares and maintains the uterus during pregnancy is secreted by
Embryonic body form stage is characterised by