Question
Biology Question on Principles of Inheritance and Variation
A woman with 47 chromosomes due to three copies of chromosome 21 is characterized by:
A
Down syndrome
B
Triploid
C
Turner syndrome
D
Super femaleness
Answer
Down syndrome
Explanation
Solution
Down syndrome, also known as trisomy 21, is a genetic condition in which an individual has an extra copy of chromosome 21, resulting in a total of 47 chromosomes instead of the usual 46.
So, the correct option is (A): Down Syndrome