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Anticipation is not seen in which of the following?(a) Fragile X chromosome(b) Duchenne muscular dystrophy(c) Myotonic dystrophy(d) Huntingtons’s diseaseI 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

Answer» 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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