Search Results for: mutations

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2,458 results

2,458 results for: mutations

  1. Genetics

    Missing genes not always a problem for people

    Humans have ways to make up for missing genes, study suggests.

    By Tina Hesman Saey
  2. Genetics

    Prion disease gets personal

    Diagnosis of a brain-wasting disease drove a married couple into science.

    By Tina Hesman Saey
  3. Health & Medicine

    How Zika became the prime suspect in microcephaly mystery

    New evidence in human cells strengthens the case against Zika in Brazil's microcephaly surge, but more definitive proof could come this summer from Colombia.

    By Meghan Rosen
  4. Genetics

    Neandertal DNA may raise risk for some modern human diseases

    Neandertal DNA may once have helped humans, but now may contribute to disease.

    By Tina Hesman Saey
  5. Genetics

    ‘Selfish’ DNA flouts rules of inheritance

    R2d2 is selfish DNA that could skew scientists’ views of adaptation and evolution.

    By Tina Hesman Saey
  6. Health & Medicine

    Microcephaly: Building a case against Zika

    Zika virus is the prime suspect for Brazil’s recent surge in birth defects. New evidence in human cells strengthens the case, but more definitive proof could come this summer from Colombia, where thousands of pregnant women have been infected.

    By Meghan Rosen
  7. Microbes

    Random changes in behavior speed bacteria evolution

    Microbes can speed up evolution by changing phenotypes.

    By Chris Samoray
  8. Animals

    Devils Hole pupfish may not have been so isolated for so long

    New genetic study questions Devils Hole pupfish’s supposed history of long isolation.

    By Susan Milius
  9. Health & Medicine

    Monkeys with human gene show signs of autism

    Genetically altered monkeys may help scientists understand autism.

    By Laura Sanders
  10. Life

    Removing worn-out cells makes mice live longer and prosper

    Senescent cells promote aging, and removing them makes mice live longer, healthier lives.

    By Tina Hesman Saey
  11. Science & Society

    ‘GMOs’ isn’t a four-letter word, but it is hard to define

    The definition of what constitutes a genetically modified organism is a challenge to those tasked with developing standards for labeling foods that contain GMOs.

    By Rachel Ehrenberg
  12. Genetics

    Drug candidate fails to improve symptoms of fragile X syndrome

    A drug designed to treat fragile X syndrome has proven ineffective in clinical trials.

    By Sarah Schwartz