In a Two-Point Test-Cross Analysis, a Dihybrid F₁ Fly Is

Multiple Choice

In a two-point test-cross analysis, a dihybrid F₁ fly is crossed to a __________.

A) pure-breeding mate with a dominant phenotype (AABB)
B) pure-breeding mate with a recessive phenotype (aabb)
C) heterozygote mate (AaBb)
D) mate that is dominant for one gene and recessive for the other (AAbb or aaBB)
E) second dihybrid F₁ fly (sibling cross)