MDCAT Biology MCQ #4531

In a dihybrid cross, what occurs when two different alleles of a gene are paired?

MDCAT Biology MCQ #4531

  1. Question 1

    Q1. In a dihybrid cross, what occurs when two different alleles of a gene are paired?

    • A) Incomplete dominance
    • B) Codominance
    • C) Autosomal recessive inheritance
    • D) Genotypic ratio

    Answer: Codominance

    Explanation: Codominance: both alleles have effect, unlike incomplete dominance.