Multiple choice

Which condition is caused by mutations that involve entire chromosome rather than a single gene?

  1. Haemophilia

  2. Phenylketonuria

  3. Down's syndrome

  4. Sickle cell anemia

  5. Thalassemia

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

It is also called as trisomy of chromosome 21. So, this occurs due to the entire chromosomal aberration and not just a single gene.