$A$ test cross is useful to determine the...

To determine whether $F_1$ hybrid is homozygous or heterozygous for a particular trait,a . . . . . . cross is performed.

What is the cross between the progeny of $F_{1}$ and the homozygous recessive parent called? How is it useful?

Two allelic genes are located on

Mating of an organism to a double recessive in order to determine whether it is homozygous or heterozygous for a character under consideration is called

The synthesis of starch in pea seeds is controlled by a single gene. This gene has two alleles,$B$ and $b$. If the shape of the pea seed is considered as the phenotype,what type of inheritance does this represent?