Principle or laws of inheritance were enunciated by

$A$ : Myotonic dystrophy is caused by recessive mutant pleiotropic gene.
$R$ : Gene mutation leads to more synthesis of fibrillin proteins.

Which type of pollination method was adopted by Mendel in his experiment?

Select incorrect one (w.r.t. reciprocal cross)

An albino lady marries a normal man having one gene for albinism. They have $3$ daughters and $1$ son. The son will be