Polyploidy, or whole-genome duplication (WGD), is a major mechanism of genome evolution across the tree of life and is particularly prevalent in plants, where it facilitates the evolution of new traits.



Summary

Polyploidy, or whole-genome duplication (WGD), is a significant driver of genome evolution. It involves the duplication of an organism’s entire genome, leading to increased gene copy number. This phenomenon is widespread across life forms, but especially common in plants. In plants, polyploidy plays a crucial role in facilitating the evolution of novel traits, potentially leading to adaptation to new environments and the development of diverse characteristics. Consequently, WGD represents a key mechanism for understanding plant diversity and adaptation.

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