Question

what would be the genotypic ratio of offsprings from a test cross of an organism having AaBb genotype ?

Answer 1

A dihybrid cross tracks two traits. Both parents are heterozygous, and one allele for each trait exhibits complete dominance *. This means that both parents have recessive alleles, but exhibit the dominant phenotype. The phenotype ratio predicted for dihybrid cross is 9:3:3:1.

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