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Which of the following statements about sex determination is FALSE, based on the chapter?

Question
Which of the following statements about sex determination is FALSE, based on the chapter?
In human beings, sex is largely genetically determined
In some reptiles, egg incubation temperature determines sex
All species determine sex using the exact same genetic XY mechanism as humans
In snails, sex is not fixed and individuals can change sex
Answer
All species determine sex using the exact same genetic XY mechanism as humans
Detailed Explanation
The chapter explicitly states different species use very different strategies for sex determination, so it is false that all species use the same XY mechanism as humans.
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