Nbme 12

[LuckiestOne]

30 yo woman whose child has DMD comes bec of progressive weakness during the past 3 years. A muscle biopsy specimen obtained from the woman shows findings typical of hemizygous muscular dystrophy. Which of the following is the most likely explanation for these findings?

a.) chromosomal translocation
b.) maternal chromosome constitution 45,X
c.) nondisjunction
d.) unfavorable lyonization

What does it mean by Hemizygous muscular dystrophy?

Thanks in advance.

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[LuckiestOne]

Bump