The literal meaning of “gastrulation” is
Formation of primary germ layers
Formation of a gut
Morphogenetic movement
Commencement of organogenesis
Find out $A, B$ and $C$ in the figure given below
In humans, at the end of the first meiotic division, the male germ cells form
The rate of cleavage is inversely proportional to the duration of
Drugs such as Thalidomide taken by woman in first trimester of pregnancy cause all the following malformations in the developing embryo, except
Enzyme present in sperm acrosome to dissolve egg membrane is