Science

Duplicated Genomes Helped Flowering Plants Survive End-Cretaceous Mass Extinction

May 12, 2026 - 13:15
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Duplicated Genomes Helped Flowering Plants Survive End-Cretaceous Mass Extinction
Chen et al. constructed a comprehensive genomic dataset of 470 flowering plant species and dated 132 ancient whole-genome duplication (WGD) events that are non-randomly distributed, revealing a clustering around pivotal periods of environmental upheaval and extinction. Image credit: Chen et al., doi: 10.1016/j.cell.2026.04.008.

A new analysis of 470 flowering plant species finds that whole-genome duplication surged precisely during Earth’s environmental crises, suggesting nature keeps a backup plan hidden in plain sight.

The post Duplicated Genomes Helped Flowering Plants Survive End-Cretaceous Mass Extinction appeared first on Sci.News: Breaking Science News.

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