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A 30‑year‑old woman has a karyotype of 46,XX. What does the ‘XX’ indicate?.
- A.She has two X chromosomes, meaning she is female.
- B.She has one X and one Y chromosome, meaning she is male.
- C.She has two Y chromosomes, meaning she is male.
- D.She has one X and one Z chromosome, meaning she is a hybrid.
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