Test cross is useful to know the...
Genotype
Phenotype
$A$ and $B$
None of the above
The genotypic ratio of a monohybrid cross in $F_{2}$-generation is
Definitions / Explanation : Homozygous
$A$ : Test cross is the tool for knowing linkage between genes.
$R$ : Monohybrid test cross gives two phenotypes and two genotypes.
Definitions / Explanation : Test cross
Mendel obtained recessive character in $F_{2}$ by ...$A$... the ...$B$... plants. Here $A$ and $B$ refers to