XXY typically refers to a chromosomal condition, most commonly associated with Klinefelter syndrome in males.
According to the provided reference, sex chromosomes, named X and Y, determine a baby's genetic sex. Usually, females have two X chromosomes (XX), while males have one X and one Y chromosome (XY).
XXY Chromosome Combination
- In Klinefelter syndrome, a male is born with an extra copy of the X chromosome, resulting in an XXY combination.
In essence, the XXY chromosome combination is indicative of a genetic condition where a male individual possesses an additional X chromosome.
