A dihybrid cross is a genetic cross that examines the inheritance of two different traits simultaneously, typically involving parents that are both heterozygous for those traits. This type of cross allows for the observation of how alleles from different genes assort independently during gamete formation, a principle known as independent assortment. Dihybrid crosses are foundational in understanding Mendelian genetics and the ratios of offspring phenotypes that result from such crosses.
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