Klinefelter syndrome

{
  "id": "MLC-T-CHM-006366",
  "term": "Klinefelter syndrome",
  "field": "Chemistry",
  "definition": "A genetic condition in males characterized by the presence of an extra X chromosome, resulting in a 47, XXY karyotype. This chromosomal abnormality leads to hypogonadism, reduced fertility, and often affects physical and cognitive development. It is one of the most common sex chromosome disorders in humans.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "syndrome",
    "X chromosome",
    "spermatozoon",
    "testis"
  ],
  "references": [
    "PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 771 (https://doi.org/10.1515/pac-2015-1202)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/klinefelter-syndrome/"
}