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On the left is an unmodified hatchling of a longfin inshore squid (Doryteuthis pealeii). The one on the right was injected with CRISPR-Cas9 targeting a pigmentation gene before the first cell division. It has very few pigmented cells and lighter eyes.

Scientists have modified the genes of a squid, and genetically-altered octopuses could be coming soon.

(Image credit: Karen Crawford)

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