A genomic condition that may be responsible for some forms of fragile -X syndrome, as well as Huntington disease, involves _.
A) plasmids inserted into the FMR -1 gene
B) multiple breakpoints fairly evenly dispersed along the X chromosome
C) single translocations in the X chromosome
D) various lengths of trinucleotide repeats
E) multiple inversions in the X chromosome

Question

Quizplus · Accepted Answer

Both fragile-X syndrome and Huntington disease are associated with the expansion of trinucleotide repeats in specific genes, leading to genetic instability and disease.

A Genomic Condition That May Be Responsible for Some Forms