Great white sharks are magnificent creatures and an icon among sea predators. But despite their fame across the world, inspiring stories, books, films , games, and more, there’s still a great deal we do not know about them. In an effort to answer a long-running question surrounding their populations, scientists have stumbled into a deeper mystery concerning their genetics that has them completely baffled.

The issue relates to stark differences between the DNA in their nuclei and the DNA in their mitochondria. Although these differences have been known for some time, scientists have previously pointed to the animals’ migration patterns as a way to explain them. However, this new study has tested this assumption by assessing the genetic differences between white shark populations across

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