The genotypic ratio an phenotyti ratio of back cross and test cross of a mendelian monohybrid respectively

Explanation

Crossing between `F_(1)` individuals with the recessive parent is called test cross. It is used to test whether an individual is homozygous or heterozygous. A monohybrid test cross gives a phenotype ratio of `1:1` and a dihybrid test cross gives a ratio of `1:1:1:1`.