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This pedigree is of a rare trait, in which children have extra fingers and toes. Which one of the following patterns of inheritance is consistent with this pedigree A. Autosomal recessiveB. Autosomal dominantC. Y-linkageD. Sex linked recessive |
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Answer» Correct Answer - C Y - linked disorder are caused by mutations on the Y- chromosome from the their father, every son of a an affected father will be affacted. Because femlas inherit an X-chromosome from their father, female offspring of affected fathes are never affected. |
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