(1) (genetics) Of, relating to, characterized by, determined by, influenced by, a single gene or one gene pair
Word origin: mono-, from Greek 'mónos' (alone) + genic, from gene
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... to have no brown alleles(they have to be homozygous recessive), which means all their children would also have brown eyes. But eye color is not a monogenic trait. From what I know, at least three separate loci have been discovered that contribute to the trait of eye color.
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