Question

Someone with an extra X chromosome added to the XY combination, resulting in a chromosomal make-up of a total of 47 chromosomes (sex chromosomes are XXY), describes an intersex condition known as:

A. Androgen Insensitivity Syndrome (AIS).
B. Turner Syndrome.
C. Klinefelter Syndrome.
D. Congenital Adrenal Hyperplasia (CAH).

Answer 1

Klinefelter Syndrome is the intersex condition characterized by an extra X chromosome resulting in 47 chromosomes and XXY sex chromosomes. Symptoms include small testes, enlarged breasts, and reduced body hair.

Step-by-step explanation:

The intersex condition known as Klinefelter Syndrome is characterized by an extra X chromosome added to the XY combination, resulting in a chromosomal make-up of a total of 47 chromosomes. In this condition, the sex chromosomes are XXY. Individuals with Klinefelter Syndrome typically have small testes, enlarged breasts, reduced body hair, and other associated symptoms.