Cells have been successfully engineered in the laboratory to overcome one of HIV's most effective defence mechanisms, say researchers.

Scientists say they have worked out the complete genetic blueprint of a cancer for the first time.

The most complete survey yet of the genes which go wrong when lung cancer takes hold has been carried out by US researchers.

A genetic mutation in dachshunds could help uncover the roots of some inherited forms of blindness in humans, say scientists.

Researchers say the discovery of a genetic mutation is the most significant breakthrough for Motor Neurone Disease in 15 years.

A study of four-year-old twin girls has identified a rogue cell which is the root cause of childhood leukaemia.

Tiny genetic mutations were enough to create an aggressive new form of chlamydia, research finds.

Scientists say they have found two genetic mutations that could triple the risk of developing bowel cancer.

Genetic evidence suggests humans have moved into the evolutionary fast lane and are becoming increasing different.

Some Neanderthals probably had red hair much like modern-day humans, a DNA study shows.

Capital gains tax has mutated over the years - so how do Alistair Darling's new rules change things?

A genetic mutation can trigger learning difficulties by changing the way brain cells communicate with each other, research shows.

US scientists may have discovered why long nerve cells do not break when you move or stretch your limbs.

Scientists develop a genetically engineered 'vaccine' to help tackle the devastating maize streak virus.

Scientists have discovered how mutations in two key proteins may lead to autism.

Insurers tell an advisory body they may seek approval to use gene test results for inherited cancers.

A year ago, a dead swan in Scotland became the first wild bird in the UK to be found with the deadly H5N1 virus. The discovery sparked a wave of fear about bird flu, but 12 months on it seems to have been forgotten.

Widespread differences in human sexual attractiveness are caused by genetic mutation, researchers find.

The number of mutated genes that drive development of cancer is greater than previously thought, research shows.

A rare mutation leaves eight-day-old Stumpy the duck with two extra legs.