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

question 43

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)

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