Question

which one of the following is not a hereditary disease ? (thalassemia,down's syndrome,alzheimer's disease, haemophilia)​

Answer 1

Answer:

Down's Syndrome

Explanation:

Among all the other diseases (Thalassemia, Alzheimer's Disease and Haemophilia), Down's Syndrome is not the hereditary disease.

Let's Learn Something More:

Most of Down's Syndrome's cases have been un-inherited (un-hereditary), though there were some inherited (hereditary) cases.