A two-point testcross is a cross between
A) a heterozygote for one of two linked genes and a double recessive genotype.
B) a heterozygote for one gene and a homozygote for another.
C) a double heterozygote for two linked genes and a double recessive genotype.
D) individuals with two different genetic markers.
E) a double heterozygote for two linked genes and a homozygous dominant genotype.

Question

Quizplus · Accepted Answer

A two-point testcross involves crossing a double heterozygote for two linked genes with a double recessive genotype to determine the linkage and recombination frequency between the genes.

A Two-Point Testcross Is a Cross Between