Octopuses Have a Secret Sex Chromosome – and It’s Older Than Dinosaurs
New research at the UO reveals that they have been using one that has existed for 480 million years. The octopus has just revealed another secret: what determines its sex. Researchers at the University of Oregon have identified a sex chromosome in the California two-spot octopus.
480 million years old: Octopuses have sex chromosomes more ancient than dinosaurs
What stands out the most about this ancient cephalopod sex chromosome is how little the chromosome has changed over time.
Mystery revealed: Octopuses’ sex chromosome is 480 million years old
The research suggest octopus and other cephalopods, like squid and cuttlefish, all rely on the ancient chromosome to determine sex.
Octopuses May Have 480 Million-Year-Old Sex Chromosomes
Discover how researchers identified an octopus' ancient sex chromosomes and why their genetic history is such a mystery.
Sex chromosome discovered in octopuses is 480 million years old
Scientists at University of Oregon discover one of the oldest known animal sex chromosomes in California two-spot octopus.
Octopuses May Have The Oldest Sex Chromosomes in The Animal Kingdom
Cephalopods may have the oldest sex chromosomes of any animal, according to a new discovery in the octopus genome. That's a big deal given that scientists didn't know until now if these oddball creatures even had a form of sex determination written into their genes.
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Octopus Arms Are Controlled by a Nervous System That's Like No Other
The neurons in the octopus's arms are concentrated along an axial nerve cord that undulates down the length of each arm, with ...
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Cephalopods; Aliens From Earth ¦ Random Thursday
Cephalopods like octopus, squid, and cuttlefish seem to be as alien as any alien creature from a sci-fi movie, and it's fun to speculate that they could be aliens from another planet. But could ...
Science Daily2d
Octopuses have some of the oldest known sex chromosomes
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 ...
How Do Octopuses Poop?
According to the Monterey Bay Aquarium, octopuses poop from their siphon or funnel, a large, tube-like structure they also ...
Phys.org on MSN15d
UChicago scientists reveal nervous system secrets that give octopus arms their incredible dexterity
The suckers are also packed with sensory receptors that allow the octopus to taste and smell things that they touch—like combining a hand with a tongue and a nose. The researchers believe the ...
BioTechniques1y
Cephalopods edit their RNA to acclimate to water temperature
Coleoid cephalopods (octopus, squid and cuttlefish) are unable to thermoregulate and rely on their environment to maintain internal temperatures. A new study, led by researchers at the University of ...
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Cephalopods Will Be Subject Of Science Talk
Dive biologist and leading expert on cephalopod behavior Roger Hanlon will be the guest speaker at the Marine Biological Laboratory’s Falmouth Forum on Friday, February 7. Start time is 7:30 ...