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Amazonian Molly – a Fish that Jumps Sex – Hacks Evolution

Summary by Issuesfr
Amazonian Molly is an evolutionary riddle: an entirely female fish that reproduces by cloning. Because it does not mix its DNA with that of a partner, Darwinian logic maintains that harmful mutations should accumulate over time, eventually leading to extinction of the species. Yet Molly (Poecilia formose) has stubbornly [...]
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Amazonian Molly is an evolutionary riddle: an entirely female fish that reproduces by cloning. Because it does not mix its DNA with that of a partner, Darwinian logic maintains that harmful mutations should accumulate over time, eventually leading to extinction of the species. Yet Molly (Poecilia formose) has stubbornly [...]

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Issuesfr broke the news in on Sunday, March 15, 2026.
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