Neanderthal DNA is still among us

Neanderthals' genetic legacy: Humans inherited variants affecting disease risk, infertility, skin and hair characteristics Remnants of Neanderthal DNA in modern humans are associated with genes affecting type ...

A quick guide to genomics

Deoxyribonucleic acid (DNA) is the chemical compound that contains the instructions needed to develop and direct the activities of nearly all living organisms. DNA molecules are made of two twisting, paired strands, often referred to as a double helix.

An introduction to sequencing the human genome

The three billion letters of the human genome are written using the four-letter alphabet of DNA. The DNA is divided among 23 pairs of chromosomes that are found in each of the trillions of cells in our bodies.

What is DNA?

DNA basics: What it is, what it does, and where it's found