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Anticipation is not seen in which of the following?

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in Cytogenetics by (679k points)
Anticipation is not seen in which of the following?

(a) Fragile X chromosome

(b) Duchenne muscular dystrophy

(c) Myotonic dystrophy

(d) Huntingtons’s disease

I have been asked this question in homework.

This interesting question is from Dynamic Mutation and Anticipation in section Nuclear Export & Post Mendelian Genetics of Cytogenetics

1 Answer

+1 vote
by (1.6m points)
Right choice is (b) Duchenne muscular dystrophy

Explanation: In the case of Duchenne muscular dystrophy the disease is dependent of age of onset but not due to anticipation. The other 3 options are due to the number of tri-nucleotide repeats.

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