2. Duchenne muscular dystrophy is an example of a sex-linked (X-linked) recessively inherited trait. Huntington's is an

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2 Duchenne Muscular Dystrophy Is An Example Of A Sex Linked X Linked Recessively Inherited Trait Huntington S Is An 1 (183.8 KiB) Viewed 13 times

2. Duchenne muscular dystrophy is an example of a sex-linked (X-linked) recessively inherited trait. Huntington's is an example of a dominantly inherited disorder, where normal, unaffected individuals are recessive for the trait. Mary does not have Duchenne muscular dystrophy, unlike her father. Mary also has no history of Huntington's in her family and does not have Huntington's. Ruben does not have Duchenne muscular dystrophy but has Huntington's. Only one of his parents has Huntington's. (1 pt. total) A) What is the probability of Ruben and Mary having children that are carriers for Duchenne muscular dystrophy and have Huntington's? (0.5 pts.) B) OF THE SONS, what is the probability of being normal for Duchenne muscular dystrophy and not having Huntington's? (0.5 pts.)