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.

More Stories in HS-LS3-1

  1. Science & Society

    Cool Jobs: New tools to solve crimes

    Future investigators may identify criminals by the microbes they leave behind or by using DNA-like evidence from strands of their hair.

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  2. Genetics

    Scientists Say: Chromosome

    This threadlike structure is made of DNA wrapped around protein. It allows the 3 billion base pairs in human DNA to stay neatly packaged in a cell.

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  3. Archaeology

    Fossils point to Neandertal diets — and medicine use

    Whether Neandertals were largely meat-eaters or vegans depended on their environment, fossils now suggest. Their teeth also indicate they used natural medicines.

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  4. Life

    How to make a ‘three-parent’ baby

    Scientists combined an egg, sperm and some donor DNA: The end result: what appears to be healthy babies.

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  5. Genetics

    World’s tallest corn towers nearly 14 meters

    Short nights and a genetic tweak helped novel corn reach record heights.

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  6. Animals

    Tasmanian devils begin to resist infectious cancer

    A deadly contagious cancer is spreading among Tasmanian devils. But the animals are evolving resistance, a new study finds.

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  7. Health & Medicine

    Grandparents’ diet could be a weighty issue for grandkids

    Australian scientists have found that fat mice can pass on a heightened risk of obesity to their sons and grandsons.

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