Question

The MOST common syndrome resulting from nondisjunction is:

Klinefelter syndrome.
None of the answer options is correct.
Turner syndrome.
Down syndrome
emphysema.

Answer 1

Down syndrome is the most common syndrome resulting from nondisjunction, characterized by the presence of an extra copy of chromosome 21.

Step-by-step explanation:

The most common syndrome resulting from nondisjunction is Down syndrome. Down syndrome is caused by having three copies of chromosome 21, known as trisomy 21, due to chromosomal nondisjunction during meiosis. Individuals with Down syndrome often have some degree of mental and physical impairments and a specific facial appearance.