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Corals are first animals seen to pass on mutations acquired as adults

By Michael Marshall

2 November 2020

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Elkhorn coral in the Caribbean Sea

WaterFrame/Alamy

Corals have an evolutionary superpower. Adult corals can pass聽on mutations they have acquired during their lives to their聽offspring, overturning a聽long-standing belief that no聽animals can hand down such mutations 鈥 although most can鈥檛.

鈥淛uvenile corals inherited mutations that were acquired during the parents鈥 lifespan,鈥 says聽Iliana Baums at Pennsylvania State University. 鈥淚t has not been observed before in animals, but it聽has been observed in plants.鈥

Corals belong to one of the oldest animal groups. They are similar to plants in many ways, such as spending most of their lives…

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