An allele is said to be dominant if
It is expressed only in heterozygous combination
It is expressed only in homozygous combination
It is expressed in both homozygous and heterozygous condition
It is expressed only in second generation
Which of the following law was discovered first by Mendel?
Mendel's principle of segregation was based on the separation of alleles in the garden pea during
A $1: 1$ phenotypic ratio in a test cross indicates that the
First generation after a cross is
Change in single base pair