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. Animals

    Living mysteries: This critter has 38 times more DNA than you do

    The genomes of salamanders are bloated with genetic “parasites.” That extra DNA slows down their lives and strands them in perpetual childhood.

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  2. Life

    Scientists Say: Fungi

    Although some fungi can cause diseases, others can be eaten, used to make medicines or serve other useful functions.

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  3. Animals

    Losing some genes may explain how vampire bats can live on blood

    Loss of 13 genes active in other bats could support the vampires’ blood-eating strategies and adaptations.

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  4. Animals

    A new drug mix helps frogs regrow amputated legs

    The treatment helped frogs grow working limbs useful for swimming, standing and kicking. It’ll be a while before people can do that.

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  5. Archaeology

    A medieval grave may have held a powerful nonbinary person

    A 1,000-year-old grave in Finland, once thought to hold a respected woman warrior, may belong to someone who didn’t have a strictly male or female identity.

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  6. Genetics

    Just a tiny share of the DNA in us is unique to humans

    Some of these tweaks to DNA, however, may have played a role in brain evolution.

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  7. Life

    These rabbits can’t hop. A gene defect makes them do handstands

    Mutations in a gene that helps nerve cells work properly rob rabbits of their ability to hop. Instead, the animals use their front paws to move.

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  8. Animals

    Science and Indigenous history team up to help spirit bears

    When scientists and Indigenous people work together, their efforts can benefit bears and people.

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  9. Genetics

    Let’s learn about DNA

    DNA is made of two chemical chains twisted around each other. It stores information that allows cells to grow and function.

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