Originally Posted by alan1
What? No, that's not quite right, either. 'Hetero' means 'different'- as in the individual has two different genes for that allele.
You are correct that whether an individual is heterozygous or not is irrelevant to the genetic disposition of the trait- you can be 'het' for a codominant trait or a recessive one. 'Het' simply refers to the fact that the individual carries two different genes.
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