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natulia [17]
4 years ago
9

How many different phenotypes are possible in a one gene/three allele system that displays codominance to each other?

Biology
1 answer:
marissa [1.9K]4 years ago
3 0
<span>Six phenotypes are possible in a one gene/three allele system that displays codominance to each other with three alleles, a1, a2, a3.</span>

3 homozygous and 3 heterozygous combinations. Each unique combination of two alleles results in a distinct phenotype. Possible combinations are: <span>
a1/a1 
a1/a2 
a1/a3 
a2/a2 
a2/a3 
<span>a3/a3</span></span>

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