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Some problems represent a non–X-linked trait that is recessive. Inheritance of Single-Gene Problems

Some problems represent a non–X-linked trait that is recessive. Inheritance of Single-Gene Problems A person usually must receive two abnormal genes, one from each parent to have the disorder. If both moms and dads carry one unusual gene and something normal gene, neither moms and dad has got the condition but each includes a 50% […]