Mating an individual expressing a dominant phenotype, but whose genotype is unknown, with an individual expressing the corresponding recessive phenotype is an example of a(n) A) heterozygous cross. B) F₁ cross. C) F₂ cross. D) parental cross. E) test cross.

Question

Quizplus · Accepted Answer

A test cross involves mating an individual expressing a dominant phenotype (but with an unknown genotype) with an individual expressing the recessive phenotype to determine the genotype of the first individual.

Mating an Individual Expressing a Dominant Phenotype, but Whose Genotype