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How is the sex of a newborn individual determined, according to the chapter's overview? mechanisms

Question
How is the sex of a newborn individual determined, according to the chapter's overview? mechanisms
It is determined identically by the same mechanism in every species
Different species use very different strategies, including environmental cues or genetic
Sex is never determined in any species; it is entirely random with no pattern
Only humans have any mechanism for sex determination
Answer
Different species use very different strategies, including environmental cues or genetic
Detailed Explanation
The chapter states that different species use very different strategies for sex determination, some environmental and some genetic.
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