Which of the following combinations of sex chromosomes is never seen in human beings?
a) XXY
b) YYY
c) XXX
d) XYY
e) X_ (also written as XO)
Answer: YYY
Which of the following combinations of sex chromosomes is never seen in human beings?
a) XXY
b) YYY
c) XXX
d) XYY
e) X_ (also written as XO)
Answer: YYY