Huntington's Disease is an autosomal dominant disorder. Julie is a woman with Huntington's who has one parent who does not have Huntington's. What is Julie's genotype?

a) homozygous dominant
b) heterozygous
c) homozygous recessive
d) either homozygous dominant or homozygous recessive


Ans: b) heterozygous

Biology & Microbiology

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