In a recent essay, scientists challenge the prevailing genetic-focused model of cancer, advocating for a shift towards more ...

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 ...

This theory also presents a framework for ongoing ... If one duplicate undergoes a mutation that knocks out part of its contribution to phenotype, it is released from purifying selection to ...

It's time for researchers to reconsider the current paradigm of cancer as a genetic disease, argues Sui Huang from the ...

Evolution is nature's engine, driving and shaping genetic change and the diversity around us. Charles Darwin famously ...

Variation is the differences in the characteristics of organisms. It can be caused by the genes an individual inherits or the environment it lives in. Extensive genetic variation is contained ...

"And evolutionary theory is about how that information got ... A population made up entirely of doves would be unstable; that is, if a mutation caused the introduction of a single hawk, it would ...

Bird experts agree Creamsicle is rare — and potentially even unique  — in its colouring. But they disagree about what’s ...

There are two prevailing theories about the relationship between aging and DNA. The somatic mutation theory suggests that ...