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Worm species lost 7,000 genes after evolving to fertilize itself


January 4, 2018

Reproduction in most animal species requires breeding between two individuals. But some worms have evolved the ability to go it alone. In these species, a single individual can breed with itself to produce offspring. A new University of Maryland-led study found that gaining this ability, known as "selfing," may have caused a worm species to lose a quarter of its genome, including genes that give male sperm a competitive edge during mating. Full Story

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University of Maryland

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