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- The evolution of sex-determining mechanisms, characterized by the evolutionary transition to genetic sex determination or temperature-dependent sex determination from the opposite mechanism, has frequently and readily occurred among multiple taxa across a transitionary continuum. Sex-determining mechanisms include genetic sex determination, where sex is determined by genes on sex chromosomes, and environmental sex determination/temperature-dependent sex determination, where sex is permanently fixed by environmental cues after fertilization. Evolutionary transitions between these mechanisms are frequently driven by sex reversal, a phenomenon where environmental overrides produce organisms with discordant genotypic and phenotypic sex. (en)
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- The evolution of sex-determining mechanisms, characterized by the evolutionary transition to genetic sex determination or temperature-dependent sex determination from the opposite mechanism, has frequently and readily occurred among multiple taxa across a transitionary continuum. (en)
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- Evolution of sex-determining mechanisms (en)
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