The genes and chromosomes in Klinefelters Syndrome is 47, XXY (or XXY) is a genetic condition caused when someone has two X chromosomes and one Y chromosome. Males normally have an X chromosome and a Y chromosome (46, XY), and females normally have two X chromosomes (46, XX). 

DNA carries the genetic information in the body’s cells.

Genes are coded instructions for making everything the body needs, especially proteins.

 Humans have 23 pairs of chromosomes for a total of 46. Of those, 1 pair is the sex chromosomes which determines if you are a girl or a boy. The other 22 pairs are autosomal chromosomes that determines the other body makeups.