MS-LS3-1

Develop and use a model to describe why structural changes to genes (mutations) located on chromosomes may affect proteins and may result in harmful, beneficial, or neutral effects to the structure and function of the organism.

More Stories in MS-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. 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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  3. Health & Medicine

    Sickle-cell gene therapies offer hope — and challenges

    Doctor Erica Esrick discusses existing treatments and an ongoing clinical trial for a gene therapy to treat sickle cell disease.

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  4. Health & Medicine

    Explainer: What is sickle cell disease?

    Gene mutations can alter an individual’s hemoglobin in ways that curl their blood cells. This can cause painful sickle cell disease.

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  5. Animals

    Will the woolly mammoth return?

    Scientists are using genetic engineering and cloning to try to bring back extinct species or save endangered ones. Here’s how and why.

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  6. 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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  7. Microbes

    Explainer: Virus variants and strains

    When viruses become more infectious or better able to survive the body’s immune system, they become a type of variant known as a strain.

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  8. Health & Medicine

    One key change may have helped the coronavirus become a global menace

    One key mutation may have helped the virus behind COVID-19 better infect human cells.

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  9. 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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