Search Results for: mutations

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92 results

92 results for: mutations

  1. Genetics

    Scorpion’s sting evolved from insects’ defensive proteins

    With a single genetic mutation, an insect’s defensive proteins can be transformed into a toxin that gives scorpions their signature sting, a new study shows.

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  2. Life

    Many genes in dolphins and bats evolved in the same way to allow echolocation

    Widespread changes scattered across the genomes of distantly related species cooperated to craft the trait.

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  3. Animals

    Leaping land fish avoids predators by blending in

    The Pacific leaping blenny avoids being eaten by predators by blending into its rocky habitat.

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  4. Plants

    Dastardly daisies

    This flower isn’t just any old sex cheat. It can be sexually deceptive three ways and in 3-D.

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  5. Animals

    The daemon cat that never was

    Buried in a volume published in 1904 is a description of a new species of cat found in Transcaucasia: Felis daemon, the Black Wild Cat.

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  6. Animals

    In the Eye of the Tiger

    Global spread of Asian tiger mosquito could fuel outbreaks of tropical disease in temperate regions.

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  7. Animals

    Evolutionary enigmas

    Comb jelly genetics suggest a radical redrawing of the tree of life.

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  8. Animals

    Lost to history: The “churk”

    More than a half-century ago, researchers at the Beltsville Agricultural Research Center outside Washington, D.C., engaged in some creative barnyard breeding. Their goal was the development of fatherless turkeys — virgin hens that would reproduce via parthenogenesis. Along the way, and ostensibly quite by accident, an interim stage of this work resulted in a rooster-fathered hybrid that the scientists termed a churk.

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  9. Life

    Molecular Evolution

    Investigating the genetic books of life reveals new details of 'descent with modification' and the forces driving it.

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  10. Animals

    Aphids make their own bright colors

    The insects’ ancestors adapted fungal DNA for manufacturing vital compounds.

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  11. Genetics

    Dog gene heeds call of the wild

    Domesticated dogs passed a gene for dark fur color to their wild cousins.

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  12. Health & Medicine

    Genome 10K: A new ark

    Featured blog: Researchers are working to catalog the DNA sequences of just about every vertebrate genus.

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