1) A trait is dominant if a) everyone that has it has a parent with it b) individuals have the trait but don't show it c) individuals have the trait and neither of their parents do d) everyone that has it has a sibling with it 2) A carrier is a) is half-shaded on a pedigree b) has the gene and shows the trait c) is filled in on a pedigree d) is homozygous 3) A trait is sex-linked if a) the majority of individuals that have it are girls b) there are equal numbers of girls and boys with the trait c) the individuals that have it have a sibling with it d) the majority of individuals that have it are boys 4) The genotype of individual I-1 is a) AA b) Aa c) aa d) A- 5) The genotype of individual II-2 is a) AA b) Aa c) aa d) A- 6) This pedigree shows the trait is a) Autosomal dominant b) Autosomal recessive c) Sex-linked dominant d) Sex-linked recessive 7) This pedigree shows the trait is a) Autosomal dominant b) Autosomal recessive c) Sex-linked dominant d) Sex-linked recessive 8) This pedigree shows the trait is a) Autosomal dominant b) Autosomal recessive c) Sex-linked dominant d) Sex-linked recessive

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