Consequently, a test cross can help determine whether a dominant phenotype is homozygous or heterozygous for a specific allele. Diploid organisms, like humans, have two alleles at each genetic ...

A hybrid organism is one that is heterozygous, which means that is carries two different alleles at a particular genetic position, or locus. Therefore, a dihybrid organism is one that is ...

Half of the possible offspring have the same allele combination; AA homozygous dominant and the other half have the Aa heterozygous combination. Probability close probabilityThe extent to which ...