Answer:
Kleinfelter's Syndrome:
(XXY) additional X chromosome on males
-small testes so not enough testosterone causing breast enlargement, limited facial hair, unusually small penis or opening on the underside of the penis (urethra)
-male internal organs
-appears male with breasts
-diagnosed at puberty with the growth of breasts
-testosterone replacement therapy
- taller; breast cancer association; delayed speech and language development; quiet and shy