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Octopuses have some of the oldest known sex chromosomes, study finds

Phys Org
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89% Informative

University of Oregon 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 the evolutionary tree.

The finding also is evidence that Octopuses and other cephalopods use chromosomes to determine their sex.

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94

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97

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53

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informal

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English

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57

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long-living

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