In a dihybrid testcross, the individual being examined is crossed to which of the following?
A) An individual who is homozygous dominant for one trait but not the other
B) Self-fertilized
C) An individual who is homozygous recessive for both traits
D) An individual who is heterozygous for both traits

Question

Quizplus · Accepted Answer

In a dihybrid testcross, it is best to cross the individual being examined with an individual who is homozygous recessive for both traits. This allows for easy identification of the genotype of the individual being examined, as all offspring will show the dominant phenotype if the individual being examined is heterozygous for both traits.

In a Dihybrid Testcross, the Individual Being Examined Is Crossed