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Lizard-like tuatara carry two distinct mitochondrial genomes

The lizard-like tuatara already was an oddball. Its superpowers include a century-long lifespan, resistance to many diseases and a unique tolerance (for a reptile) to the cold. Now, it turns out, a part of the animal’s genetic instruction book is as weird as its life history — and may help explain its ability to withstand extreme temperatures. Tuatara have two distinct copies of the genetic instruction manual for making mitochondria, researchers report January 29 in Communications Biology. Leer más.

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