Roan cattle show codominance for the color of their hair. there are alleles for red hair and white hair. what would you expect a heterozygous roan bull to look like if the trait showed incomplete dominance instead?
a it would be red.
b it would be white.
c it would be spotted.
d it would be pink.

The right answer is D.

* Incomplete dominance is when hybrids of the F1 generation have an intermediate phenotype (between the two phenotypes) compared to the parental generation P1. This phenomenon occurs in heterozygous individuals.

We have an example of an incomplete dominanace in this case, where we have a mixture of the two colors of the two alleles. The pink color obtained in the F1 generation is incomplete dominance. These species are heterozygous.

* For codominance it is different, There are some cases where the two alleles of a gene are completely and independently manifested in the phenotype in a heterozygous individual. Both of these alleles are said to be codominant.

For example, a chicken with a variegated plumage that was obtained by crossing a white hen with a black rooster. One might expect gray offspring, but since we have a dominant allele for the black color and a dominant allele for the white color, we obtain a white and black plumage.

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explanation:

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