A trait is dominant if, everyone that has it has a parent with it, individuals have the trait but don't show it, individuals have the trait and neither of their parents do, everyone that has it has a sibling with it, A carrier is, is half-shaded on a pedigree, has the gene and shows the trait, is filled in on a pedigree, is homozygous, A trait is sex-linked if, the majority of individuals that have it are girls, there are equal numbers of girls and boys with the trait, the individuals that have it have a sibling with it, the majority of individuals that have it are boys, The genotype of individual I-1 is, AA, Aa, aa, A-, The genotype of individual II-2 is, AA, Aa, aa, A-, This pedigree shows the trait is, Autosomal dominant, Autosomal recessive, Sex-linked dominant, Sex-linked recessive, This pedigree shows the trait is, Autosomal dominant, Autosomal recessive, Sex-linked dominant, Sex-linked recessive, This pedigree shows the trait is, Autosomal dominant, Autosomal recessive, Sex-linked dominant, Sex-linked recessive

Pedigree Interpretation

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