What is true about the sex chromosomes?
A) Possession of the Y chromosome determines maleness.
B) Normal females possess two sex chromosomes that look different, X and Y, and normal males possess two sex chromosomes that look the same, X and X.
C) Normal males possess two sex chromosomes that look the same, X and X.
D) Normal females possess two sex chromosomes that look different, X and Y.
Correct Answer:
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