James was born with a penis but during puberty began to grow breasts.After various medical tests,a doctor tells James that he has XXY sex chromosomes.Based on this you know that
James is most likely experiencing

Question

Quizplus · Accepted Answer

James's condition is indicative of Klinefelter syndrome, which is characterized by the presence of an extra X chromosome (XXY) in males. This condition is a form of intersex variation, where individuals have physical or genetic features that do not fit typical definitions for male or female categories. The development of breasts during puberty in someone with XXY chromosomes is a sign of atypical development due to being intersex, not a typical male or female puberty process.

James Was Born with a Penis but During Puberty Began