For a dihybrid test cross (crossed with a homozygous recessi…
For a dihybrid test cross (crossed with a homozygous recessive individual), where one parental chomosome contains the alleles A and B and the other parental chromosome contains the alleles a and b, what would be the expected offspring phenotype ratios if (1) the genes A and B are completely linked, and (2) if there is independent assortment of the genes A and B?