Articles on Genes

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As genes are favored or phased out, human evolution continues. ktsdesign/Shutterstock.com

Evolutionary geneticists spot natural selection happening now in people

Comparing genomes of more than 200,000 people, researchers identified genetic variants that are less common in older people, suggesting natural selection continues to weed out disadvantageous traits.
Gene drives aim to deliberately spread bad genes when invasive species such as mice reproduce. Colin Robert Varndell/shutterstock.com

‘Gene drives’ could wipe out whole populations of pests in one fell swoop

Releasing just 100 mice carrying a faulty gene designed to stop them reproducing can remove an entire population of 50,000, a new study shows, paving the way for new eradication efforts.

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