HS-LS3-3

Apply concepts of statistics and probability to explain the variation and distribution of expressed traits in a population.

More Stories in HS-LS3-3

  1. Animals

    The many efforts to lick cat allergies

    Up to one in five people around the world may be allergic to cats. Science is coming to help their desire for kitty cuddles.

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  2. Health & Medicine

    Immune arms-race in bats may make their viruses deadly to people

    An overactive immune system may help bats avoid being sickened by many viruses. This may viruses becoming stronger — and deadlier — when they hit other species.

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  3. Environment

    Australian fires have imperiled up to 100 species

    As massive wildfires consume huge swaths of Australia’s bush, untold species — many of them found nowhere else — are now threatened with extinction.

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  4. Animals

    Why are bird eggs in cold climates darker colored?

    A global survey of bird egg color has revealed a simple trend: the colder the climate, the darker the egg.

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  5. Genetics

    What we can — and can’t — learn from our pets’ DNA

    Your dog or cat’s DNA is an open book. DNA tests tell people about their pet’s breed and attempt to predict things about its behavior and health.

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  6. Genetics

    Explainer: How DNA testing works

    Lots of companies will now test DNA from people and their pets. How do these gene-sequencing techniques work? We explain.

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  7. Genetics

    Explainer: What are genes?

    Genes are DNA regions that tell cells how to build proteins. But we have many more proteins than genes. And much of our DNA controls when genes turn on and off.

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