An organism with two identical alleles for a given trait is:

$A$ factor (allele) is dominant if it is expressed in ...............

Some pure black mice were mistakenly mixed with hybrid black mice. The quickest way to discover whether one individual black mouse is pure is:

To determine the heterozygosity of an organism,one has to perform:

Which of the following traits of a pea plant is $NOT$ dominant?

In his experiments,Mendel observed wrinkled peas. These wrinkles are caused by the accumulation of sugar instead of starch. This is due to the deficiency of which enzyme?