Sex chromosomes present in female are _________?
Correct answer: B. XX
- A. XY
- B. XX
- C. XXY
- D. XXX
Explanation
In the usual human chromosome pattern, females have two X sex chromosomes, written XX, while males have XY. Students may choose XY because it is the other common human sex-chromosome combination, but XY describes a typical male rather than a female.
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