Jumping gene turned peppered moths the color of soot

Scientists track DNA changes behind famous example of natural selection from the Industrial Revolution

peppered moths

BLACK AND WHITE  As soot settled onto trees in Britain during the Industrial Revolution, a black version of the peppered moth (right) started to overtake the mottled-wing form (left). Scientists have now found the mutation that caused the color shift in a gene called cortex

Ilik Saccheri

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