DNA taken from the hair of two extinct Tasmanian "tigers" suggests the Australian marsupials last seen 70 years ago may have become too inbred to survive as a species, researchers reported on Monday.
A gene found on the X chromosome harbours the first sex-specific genetic variant linked to a greater susceptibility to Alzheimer's, according to a new study.
Tiny variations in a key gene on Chromosome 15 may help explain a common form of epilepsy, according to a paper published online on Sunday by the journal Nature Genetics.
Scientists say they have pinned down a DNA mechanism that gives rise to a rare but distressing form of baldness that strikes before adulthood.
U.S. scientists have created the first human model for studying a devastating nerve disease, which allows them to watch how the disease develops and could help researchers find a way to treat it.
Biologists at Academia Sinica have spotted "speciation" genes in budding yeasts and have observed for the first time the mechanisms related to these genes, according to a paper published in Dec. 12 issue of the peer-reviewed journal Cell.
Researchers have identified six new gene mutations linked to obesity and said on Sunday they point to ways the brain and nervous system control eating and metabolism.
A Vatican bioethics document on Friday condemned artificial fertilisation and other techniques used by many couples and also said human cloning, "designer babies" and embryonic stem-cell research were immoral.
2008/12/13, 1 Comment
Type-1 diabetes and celiac disease, also known as gluten intolerance, share at least some genetic roots, researchers reported on Wednesday.
A genetic marker which makes some people more likely to be hooked on cigarettes could also allow them to drink their friends under the table by dampening their body's response to alcohol, according to a study published Monday.