each A in one strand always pairs with a T in the other strand, and each C always pairs with a G. The double-stranded DNA that results from this pattern of bonding looks much like a ladder with ...

Scientists have long believed they understood how life’s genetic code evolved, but new research upends that assumption. By ...

The true identity of Jack the Ripper, whose grisly murders terrorized east London in 1888, has been a mystery ever since.

Could viral infections play a role in Huntington's disease? Research suggests Apolipoprotein B mRNA editing catalytic ...

The New York architect facing murder charges in a string of deaths known as the Gilgo Beach killings on Long Island is ...

Genes exist in most cells. Inside a cell is a long strand of the chemical DNA (deoxyribonucleic acid). A DNA sequence is a specific lineup of chemical base pairs along its strand. The part of DNA ...

Each time a cell divides, the two resulting daughter cells must contain exactly the same genetic information, or DNA, as the parent cell. To accomplish this, each strand of existing DNA acts as a ...

Although the genetic sequence is the same in every cell in the body, only a subset of those genes is expressed by each cell.

APOBEC enzymes, which normally help fight viral infections by mutating viral DNA, cause repeat expansions and are unusually ...