Match the disorder to its cause

Exercise and reference answers

Matching pairs

1. Left

   Down's syndrome

   Right

   Extra copy of chromosome 21

2. Left

   Turner's syndrome

   Right

   Loss of an X chromosome

3. Left

   Klinefelter's

   Right

   Karyotype 47, XXY

Instructions

Tap a disorder on the left, then the chromosome change behind it.

Explanation