A ‘Lobby’ Where a Molecule Mob Tells Genes What to Do

The discovery during the Human Genome Project in the early 2000s that we humans have only about 20,000 protein-coding genes — about as many as the tiny soil-dwelling nematode worm, and less than half as many as the rice plant — came as a shock. That blow to our pride was softened, though, by the idea that the human genome is rich in regulatory connections. Our genes interact in a dense network...


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