When a cross is made between offspring and its parents, it is known as
Monohybrid cross
Dihybrid cross
Back cross
Reciprocal cross
Loss of a $X$ chromosome in a particular cell during its development, results into
Dominant lethal gene is one which
A person is suffering from disease phenylketonuria, which is an autosomal recessive disease. Which of these is lacking in the person?
Chimera is produced due to
Coupling and repulsion are the two faces of