2,473 results
2,473 results for: mutations
- Life
Mitochondria behind life span extension
Study in flies suggests low-protein diet works through power-producing organelles.
- Chemistry
Flowerless plants make fancy amber
A new analysis suggests that ancient seed plants made a version of the fossilized resin credited to more modern relatives
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19306
Your article ends with the claim that “a color-blind person and a noncarrier have no chance of having a color-blind child.” Yet as I recall from basic biology class, color blindness is considered a prime example of a sex-linked trait, which makes the above statement untrue. Carried on the X chromosome, the trait would manifest […]
- Health & Medicine
Gene mutation can spur autoimmunity
A mutation of a gene on the X chromosome can lead to a dangerous autoimmune disorder and type I diabetes.
- Health & Medicine
Found: Mutation for deadly nerve disorder
Two research teams have discovered the genetic mutation that causes familial dysautonomia, a lethal hereditary disease that causes nervous system damage.
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Genetic search for an equine Eve fails
Genetic analysis suggests an unusual history for modern horses: lots of independent domestications instead of the usual few.
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Inbred cattle don’t look bad at all
A herd of feral cattle that hasn't had new blood for at least 300 years seems to have avoided the genetic risks of inbreeding.
- Health & Medicine
Color array reveals breast cancer types
A suite of genes lights up when researchers probe for cancer.
- Health & Medicine
Anti-HIV mutation poses hepatitis risk
A genetic mutation that protects people from AIDS may also make them susceptible to hepatitis C.
- Health & Medicine
Gene links eyelids and early menopause
A gene that orchestrates ovary and eyelid development may be the key to early-onset menopause.
- Health & Medicine
Narcoleptic dogs still have their day
Evidence from studies with dachshunds and poodles is suggesting that these small breeds may serve as better models than larger dogs, such as Labrador retrievers, for the more genetically complex narcolepsy in people.
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DNA-cutting enzyme looks like scissors
One type of restriction enzyme not only cuts a DNA strand but also looks like a pair of scissors.
