Genetics

Possible role for Huntington's gene discovered

About 20 years ago, scientists discovered the gene that causes Huntington's disease, a fatal neurodegenerative disorder that affects about 30,000 Americans. The mutant form of the gene has many extra DNA repeats in the middle ...

Medical research

Blood groups act as protection against infection

(Medical Xpress)—Humans may have acquired enzymes that make blood groups from bacteria to hinder the spread of viruses in the population, suggests a study led by scientists at the University of Bath.

Medical research

Different genes behind same adaptation to thin air

Highlanders in Tibet and Ethiopia share a biological adaptation that enables them to thrive in the low oxygen of high altitudes, but the ability to pass on the trait appears to be linked to different genes in the two groups, ...

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