When bacterial DNA is labeled with radioactive atoms, it takes its own picture. Autoradiographs reveal that the bacterial chromosome is a single very long DNA molecule and show how it is duplicated ...

Traits as diverse as the color of a person's eyes and the scent of a rose are determined by the information contained in DNA. Learn how this information is coded by strings of molecules called ...

Human biological sex is determined by the sex chromosomes X and Y. In most cases, females possess two X chromosomes, while males have one X and one Y. However, there is some evidence that the Y ...

"Using genome sequencing and fluorescently labeled DNA analyses, we reevaluated the child's genomic condition and found a highly complex reshuffling of chromosomes 3 and 5 resulting in 5q14.3 ...

Such techniques involve using mitotic cell suspensions and disrupting the cell membranes to release the condensed chromosomes that are labeled using two different types of fluorescent dyes ...