Question

A person affected by disease having chromosome complement XXX is having/called
A. Klinefelter's syndrome
B. Down’s syndrome
C. Super female
D. Turner’s syndrome

Answer 1

Hint: Trisomy is a type of polysomy or aneuploidy that results in an abnormality in females.

Complete answer: When a person has a chromosome complement of XXX it leads to disease in some persons known as superfemale.
1. It is also known as triple X syndrome and is caused by a chromosomal abnormality known as trisomy that affects about one female in approximately 1000 females.
2. This condition is characterized by the presence of an extra X chromosome in female cells. 3. They have an increased risk of learning disabilities and delayed development of speech and language skills. Many skills are developed after a long period such as motor skills, weak muscle tone, emotional, and behavioral difficulties.
4. Mostly this syndrome is not inherited.
5. This is caused due to the non-disjunction in the reproductive cells.
6. The characteristics vary in both girls and women.
7. Affected people are taller than normal.

Hence, the correct option is (C) Super female.

Note: Triple X syndrome is a genetic defect that affects some females and is mostly not inherited from parents. It is caused by trisomy or 47, XXX condition.