HS-LS3-1

Ask questions to clarify relationships about the role of DNA and chromosomes in coding the instructions for characteristic traits passed from parents to offspring.

  1. Agriculture

    Livestock: A need to save rare breeds

    New studies and ongoing work highlight why society should save rare livestock breeds — and the part that technology can play.

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  2. Genetics

    High-altitude help from extinct ancestors

    The Tibetan plateau is high in altitude but low in oxygen. An unusual version of one gene in Tibetans' DNA helps them survive this environment. And that gene appears to have been passed along from Denisovans, a Neandertal-like ancestor.

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  3. Genetics

    Newfound DNA ‘enhancer’ behind many natural blonds

    Some snippets of DNA other than genes play a role in giving some people of European a golden crown of hair.

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  4. Health & Medicine

    Teen uncovers new weapons to stop Huntington’s disease

    David Seong, an Intel Science Talent Search finalist, is studying how tiny pieces of genetic material might be used to lock up a dangerous protein in Huntington’s disease.

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  5. Animals

    Deep-down worm is far out

    New worm discovered almost a mile underground could hint at life on other planets.

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  6. Animals

    Awake at Night

    Mutant fruit flies can get by with less sleep than these insects normally need.

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  7. Genetics

    A butterfly’s new green glow

    Scientists have tweaked a butterfly's genes to make its eyes glow green.

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  8. Genetics

    Baby swaps, crime scenes, and DNA testing

    By looking at animal DNA, investigators are solving crimes and conservationists are helping save endangered species.

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