If a Trait Is Controlled by Two Codominant Alleles of One

question 21

Multiple Choice

If a trait is controlled by two codominant alleles of one gene, what phenotypic ratio is expected in the offspring of a mating of two heterozygotes?

• A)2:1
• B)3:1
• C)1:2:1
• D)1:1
• E)4:1

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