MS-LS3-2

Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation.

More Stories in MS-LS3-2

  1. Humans

    Some identical twins don’t have the exact same DNA

    Identical twins may not be exactly identical. Mutations may arise early in development that account for tiny genetic differences between siblings.

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  2. Health & Medicine

    Early details emerge about the new U.K. coronavirus variant

    The variant may spread more easily from person to person. That could make continuing to wear masks all the more important, experts say.

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  3. Genetics

    What would it take to make a unicorn?

    Onward’s dumpster-diving unicorns seem like an impossibility. But scientists have some ideas about how unicorns could become real.

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  4. 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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  5. 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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  6. 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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  7. Genetics

    Explainer: Why scientists sometimes ‘knock out’ genes

    How do we learn what a particular molecule does in the body? To find out, scientists often 'knock out' the gene that makes it. Here’s how.

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  8. Genetics

    Explainer: How CRISPR works

    Scientists are using a tool called CRISPR to edit DNA in all types of cells.

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  9. Archaeology

    DNA from African mummies tie these folk to Middle Easterners

    Ancient DNA extracted from 90 Egyptian mummies reveals genetic links to Greece and the Middle East.

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