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A 45-year-old member asked:

How can a pedigree help you understand if a disease is autosomal dominant or recessive?

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Dr. Gurmukh Singh
Pathology 49 years experience
See below: In brief, in case of a dominant gene, at least one of the parents has the relevant disease. In case of recessive gene both parents can be normal. See this site for an introduction to the topic. https://www.ndsu.edu/pubweb/~mcclean/plsc431/mendel/mendel9.htm

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Last updated Jan 1, 2018
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