Which of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage
Or
An abnormal human male phenotype involving an extra X- chromosomes in a case of

Options

A. Erythroblastosis foetalis - X-linked
B. Down syndrome – 44 autosomes + XO
C. Klinefelter’s syndrome – 44 autosomes +XXY
D. Colouor blindness – Y-linked

Answer

C

Explanation

Klinefelter syndrome is due to the presence of extra X chromosome thus these are sterile males having female character.