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