Multiple choice

Among the following human diseases which is feeblest caused by aneuploidy?

  1. Turner syndrome

  2. Fragile X syndrome

  3. Down syndrome

  4. Klinefelter syndrome

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fragile X syndrome is characterized by expansion of a CGG triplet repeat in the first exon of the FMR-1 gene on the long arm of the X chromosome, with the total chromosome number not being affected i.e. still euploid.

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