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Below is a pedigree of a human genetic disease in which solid color indicates affected indi disease is caused by a gene that

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36)

B) Dominant

Since the disease is not skipping generations this trait is most likely dominant.

37)

B) aa

Since Person 1 does not have the trait, they do no have the dominant allele and are therefore aa.

38)

A) aa

Similarly to Person 1, Person 2 also does not show the trait and therefore does not have any dominant alleles. Their genotype is also aa.

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