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Dihybrid Crosses
Breeding experiments between organisms that vary by two traits (e.g., seed shape and colour)
Dihybrids
Heterozygous for two traits - display the dominant phenotype.
Independent Assortment in Dihybrid Crosses
Traits separate independently results in a 9:3:3:1 ratio in F2 generation.
Law of Independent Assortment
The alleles for different genes are segregated into gametes independently of one another.
Phenotypic Ratio in Dihybrids
9:3:3:1