Mongoloid condition is related to or In mongolism a patient shows

The phenomenon in which an allele of one gene suppresses the activity of an allele of another gene is known as

Crossing over that results in genetic recombination in higher organisms occurs between

Number of linkage group in Pisum sativum is

Which of the following parental combination has produced mutant offspring?

A diseased man marries a normal woman and they get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is