Climate Change Is Turning Green Sea Turtles Female. That’s a problem.

The sex of sea turtle hatchlings is not dependent on the passing down of chromosomes, like in humans. Rather, sea turtle sex is a function of incubation temperature. As Ben Guarino at The Washington Post reports, at roughly 85 degrees Fahrenheit, turtle nests produce equal amounts of males and females. A tad cooler and the clutch leans male. A little warmer and embryos develop as females.

99% of These Sea Turtles Are Turning Female—Here’s Why
Video national geographic
At the Pacific Ocean’s largest green sea turtle rookery, a crisis is unfolding, likely thanks to warming temperatures.

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