During the cleavage the embryo as a whole does not change in size
True
Gastrulation in human occurs by invagination and migration of the cells
False
Epiboly is splitting of one layer of cells into two parallel layers
False
The allantois connects embryo with placenta
False
Totipotency means that cell can give rise to all types of cells, both embryonic and extraembryonic
True
In the direct development the larva, which is not like an adult, hatches out of the egg
False
. Congenital defects formed from 3rd to 8th weeks after fertilization are called embriopathies
True
The chorionic cells secrete a hormone named human chorionic gonadotrophin
True
