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Sci & Tech

Bowhead whales reside longer due to mutation that additionally shrinks testes


We might have found one of many key causes for the extraordinary lifespans of bowhead whales, which may reside for greater than 200 years



Life



23 September 2022

Bowhead whales (Balaena mysticetus) are the longest-lived mammal identified

Tony Wu/naturepl.com

Bowhead whales are the longest-lived mammals identified, with one male estimated to have been about 211 years old when it was killed by hunters. Now it has been discovered they’ve a gene duplication that seems to gradual the division of cells, permitting the whales to reside longer – however at the price of decreased male fertility.

The lengthy lifetime of bowheads might be a results of many genetic changes, however this one could also be particularly vital, says Vincent Lynch of the …

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