Rapid Change, Fixed Design: Rethinking Genetic ”Accelerators”

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What if so-called rapid evolution is not a process of building something new, but it simply reveals what was already there? A recent peer-reviewed study in Science reports that certain DNA segments, called supergenes, may help cichlid fish adapt quickly through large chromosomal inversions that preserve sets of traits.1 Conventional scientists say this shows evolution can move faster than expected. A related report from <i…

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