XYY syndrome (redirected from XYY Karyotype)

XYY syndrome (ksw-w)

n.

A chromosomal anomaly characterized by the presence of one X-chromosome and two Y-chromosomes and thought to be associated with tallness, aggressiveness, and acne.

---

XYY syndrome YY syndrome A condition characterized by an extra Y chromosome, an array of typical clinical features–facial asymmetry, long ears, teeth and fingers, poor musculoskeletal development, cranial synostosis, prolonged P-R on EKG, and a possible tendency toward antisocial behavior