Question

Joseph is an adolescent boy. His mother is worried, as he still does not have any facial hair. His voice has not turned hoarse. He has slight enlarged breast. What could be the probable cause of his disorder?

A.) extra genetic material at 21st chromosome
B.) extra X chromosome
C.) extra Y chromosome
D.) sickle shaped blood cells
E.) toxic levels of fat accumulating in the brain

Answer 1

The answer is B. An extra X chromosome

Step-by-step explanation:

This is the answer for plato i just took the test

Answer 2

a extra genetic material at 21st chromosome i believe