New research at the UO reveals that they have been using one that has existed for 480 million years. The octopus has just ...

The research suggest octopus and other cephalopods, like squid and cuttlefish, all rely on the ancient chromosome to ...

Discover how researchers identified an octopus' ancient sex chromosomes and why their genetic history is such a mystery.

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What stands out the most about this ancient cephalopod sex chromosome is how little the chromosome has changed over time.

Researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on ...

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Scientists at University of Oregon discover one of the oldest known animal sex chromosomes in California two-spot octopus.