Heredity: Inheritance and Variation of Traits

  1. Agriculture

    Bananas under attack: Understanding their foes

    Fungal blights threaten the world’s most popular fruit. But genetic studies hint at new ways to combat some of these diseases.

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  2. 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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  3. Genetics

    Explainer: What is epigenetics?

    Epigenetics is the study of molecular “switches” that turn genes on and off. Tweak those switches and there could be big health consequences.

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  4. Archaeology

    The first farmers were two groups, not one

    The humans that began farming 10,000 years ago in the Fertile Crescent may have been two cultures living side-by-side.

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  5. Genetics

    Wolf species shake-up

    A genetic study says red wolves and eastern wolves may really be mixtures of coyotes and gray wolves, not distinct species.

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  6. Life

    How a moth went to the dark side

    Peppered moths and some butterflies are icons of evolution. Now scientists have found a gene responsible for making them so.

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  7. Animals

    The turning of wolves into dogs may have occurred twice

    The process of turning wolves into dogs, called domestication, may have occurred twice — in the East and the West — ancient DNA suggest.

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  8. Genetics

    Why some frogs can survive killer fungal disease

    A disease is wiping out amphibian species around the globe. New research shows how some frogs develop immunity.

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  9. Health & Medicine

    Common plant could help fight Zika virus

    A teen discovered that extracts from leaves of the San Francisco plant (Codiaeum variegatum) kill larvae of the mosquito that helps spread the Zika and dengue fever viruses.

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  10. Genetics

    Genes: How few needed for life?

    Scientists rebuilt a microbe using its old genes. But not all of them. They used as few building-blocks as they could get away with and still have the life-form survive.

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  11. Animals

    Cool Jobs: Pet science

    Pets make great subjects for research. These scientists work to make our animals — and us — healthier and happier.

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  12. Animals

    Gene editing swats at mosquitoes

    A new genetic technique can render insects that spread malaria unable to reproduce.

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