Test cross is important to know.
Definitions / Explanation :$F_2$ generation
What is the cross between the progeny of $F_1$ and the homozygous recessive parent called ? How is it useful ?
In Mendel experiment he crossed tall and dwarf pea plant to study inheritance of one.....
Mendel obtained recessive character in $F_{2}$ by ...$A$... the ...$B$... plants. Here $A$ and $B$ refers to