A. Cows that have a spotted coat have a roan coloring. Both (blank)
are expressed. This pattern of
inheritance is a result of (blank)

Cows that have a spotted coat have a roan coloring. Both genes are expressed. This pattern of inheritance is a result of codominance

Explanation: Every trait is controlled by a gene that occurs in pair. An allele is a different form of a particular gene. Alleles can be dominant or recessive. A dominant gene is one that is able to express itself in the presence of a recessive gene or is able to mask the effect of the other gene. A recessive gene is one whose effect is masked by a dominant gene. When two genes equally express themselves outwardly, they are said to be codominant.

Codominance is a situation whereby neither of the genes is completely dominant rather both express themselves equally phenotypically. In codominance, one gene is not capable of masking the effect of the other.

the answer to your question is b

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explanation:

b r

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