section_path: Sex-determination systems/Environmental/Temperature-dependent sex determination
section_name: Temperature-dependent sex determination
paragraph_text: Temperature-dependent sex determination
  
  Many reptiles, including all crocodiles and most turtles, have temperature-dependent sex determination. In these species, the temperature experienced by the embryos during their development determines their sex.
  
  In some turtles, for example, males are produced at lower temperatures than females; but Macroclemys females are produced at temperatures lower than 22 °C or above 28 °C, while males are produced in between those temperatures.