Is it possible to have "too many" mutations? What about "too few"? While mutations are necessary for evolution, they can damage existing adaptations as well. The statement that mutations are ...

How could a "bad" gene-- the mutation that causes the sometimes lethal sickle cell disease -- also be beneficial? On the other hand, if it didn't provide some survival advantage, why had the ...

In a lab at Rockefeller University in New York, a mouse squeaks. But this is no ordinary squeak. It is a strange, complex ...

The study of Ecuadorian families with a rare disease known as Laron Syndrome has just shown that a genetic mutation protects ...

A genetic mutation found in two human patients with schizophrenia also increased schizophrenia-related behaviors in mice with ...

Mutations occur continuously and can be spontaneous. Most are caused by errors when the DNA is copied prior to cell division. They can also happen because of: ionising radiation close ionising ...

Did you see this? Nearly 1 in 10 Americans have asthma. Here's what causes it.

Applied since the 1930s to accelerate the process of developing and selecting new valuable agronomic traits, mutation breeding uses a plant’s own genetic make-up, mimicking the natural process of ...

A man with genetic mutation that causes Alzheimer's to appear before age 50 remains cognitively fine in his mid 70s. Understanding why could lead to new treatments for the disease.

How do mutations happen, and how do they influence the future of a species? Molecules of sickle-cell hemoglobin stick to one another, forming rigid rods. These rods cause a person's red blood ...