Emergent sex refers to the display of physical and behavioral characteristics or traits of an individual that are indicative of its biological sex. The behavior and physical sexual characteristics emerge at different points from individual to individual.
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Emergent sex characteristics can be indicative of the same biological sex or different when looking at the emergence of physical characteristics and behavioral characteristics. This means that though an individual may be male biologically, this individual may not develop secondary sex characteristics associated with that particular sex, or may display the physical characteristics typical of the male sex, but may display behavior that is not.