How do crocodile eggs develop their sex?
Quick Answer
In crocodilians, sex is determined by the temperature of the nest during a critical period of egg development, not by sex chromosomes like in humans. Slightly different temperature ranges can produce more males or females.
The Full Story
Many crocodilians use temperature-dependent sex determination. During incubation, the warmth of the nest influences whether embryos develop as male or female. The exact temperature ranges vary by species, and even small changes can affect the sex ratio of hatchlings. This makes nesting conditions extremely important, especially as climate change can shift the balance of sexes in wild populations.
Key Facts
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"The surprising way crocodile babies get their sex"
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