Biology - Co-dominance
When both alleles  in a heterozygote for that characteristic are
dominant,  each allele of the gene is fully expressed.
Example: Roan cattle colour is due to the expression of alleles for white
hairs an for red hairs. Both red hairs and white hairs grow giving the roan
_Let C__represent the allele for red coat_
_Let C__represent the allele for white coat_
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