XYY karyotype, female phenotype and gonadal dysgenesis. A case report.

A rare association of female phenotype with the 47,XYY karyotype in a 14-year-old White girl is described. She was studied because of her short stature and proved to have gonadal dysgenesis. She showed no masculinization and there were no Turner stigmata. Her intelligence was normal, she was sociable and her outlook was feminine.