genetic disorders that are caused by the combined action of more than one gene. Examples of polygenic conditions include hypertension, coronary heart disease, diabetes, and peptic ulcers. Because such disorders depend on the simultaneous presence of several genes, they are not inherited as simply as single-gene diseases.
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... be used to predict the likelihood of transmission of certain genetic diseases within families (X) 2. It can account for the 3:1 ratio seen in ... 19. Week 7 Q.19 (Points: 5) Which of the following is an example of polygenic inheritance ? 1. Huntington's disease in humans 2. skin pigmentation ...
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