Bowhead whales dwell longer because of mutation that additionally shrinks testes

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



Life



23 September 2022

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

Tony Wu/naturepl.com

Bowhead whales are the longest-lived mammals recognized, with one male estimated to have been about 211 years outdated when it was killed by hunters.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 dwell longer – however at the price of lowered male fertility.

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

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