This means that one strand's sugar-phosphate chain runs in ... one of these cells were arranged into a single straight piece, that DNA would be nearly two meters long! So, how can this much ...

A double-strand DNA break (DSB) occurs or arises when both strands of the DNA duplex are severed, often as the result of ionizing radiation. They are particularly deleterious as the DNA ends can ...

By Balambal Suryanarayanan CRISPR-Cas9 is a repurposed gene editing tool that allows scientists to cut, replace, and insert pieces of DNA in precise regions along the strand. Courtesy of NIH Image ...