Question:medium

Roan Cattle is an example of \(\_\_\_\_\)

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Codominance occurs when both alleles in a gene pair are fully expressed, resulting in offspring with a phenotype that is neither dominant nor recessive.
Updated On: Jan 13, 2026
  • Incomplete Dominance
  • Codominance
  • Complete Dominance
  • Polygenic Inheritance
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The Correct Option is B

Solution and Explanation

Roan cattle display a coat color characterized by the simultaneous and visible presence of both red and white hairs. This phenomenon exemplifies codominance, a genetic inheritance pattern where both alleles in a heterozygous individual are fully expressed and do not blend. In codominance, there is no dominant or recessive allele; both alleles contribute to the phenotype, leading to an observable expression of both traits equally. For roan cattle, this means both the red and white coat color alleles are expressed concurrently.

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