Klinefelter Syndrome XXXY: Causes, Symptoms, and Treatment

Klinefelter Syndrome XXXY: Causes, Symptoms, and Treatment

1. Introduction Klinefelter syndrome typically involves a male karyotype with one extra X chromosome. However, the 48,XXXY variant is a rare and more complex chromosomal anomaly characterized by the presence of two additional X chromosomes. This overdosage of genetic material results in a clinical phenotype that is significantly more severe than the classic presentation, affecting … Read more