Molecular Evolution | Science News

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Molecular Evolution

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Italian sparrows

BLURRED LINES  Italian sparrows, formed from interbreeding between house and Spanish sparrows, are a hybrid success story. Scientists are studying genetic changes that helped the Italian sparrows adapt to their environment and remain independent from their parent species.

archaea microbe DNA

WOUND UP  Archaea microbes wrap their DNA (represented in yellow) around proteins called histones (purple) akin to the way plants and animals do. 

chimpanzee and human

THE DIFFERENCE  Humans and chimpanzees are easy to tell apart, even though they share a primate ancestor. Jumping genes helped sculpt their distinctions.

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