To fit such a long molecule within the tiny space of the nucleus, DNA bends and loops in several ways. The largest of these loops results from the helical coiling of chromatin (the thick line in ...

Germ-line mutations occur in gametes or in cells ... As opposed to gene-level mutations, mutations that alter longer stretches of DNA (ranging from multiple genes up to entire chromosomes) are ...

One stormy Monday in March, 1827, the German composer Ludwig van Beethoven passed away after a protracted illness.

Unlike nuclear DNA, which is a mixture of genetic material ... that person's mtDNA to any ancestor or descendant on that line. This wouldn't be possible, however, if mtDNA wasn't as long lived ...

Mosquito books line the shelves. Hanging next to his desk ... delete, and rearrange the DNA of nearly any living organism, including us. In the past three years, the technology has transformed ...

DNA commodification is no longer a future concern; it’s a present reality. Beyond charging users for their services, some ...

And potential buyers may have very different ideas about how to use the company’s DNA data to raise the company’s bottom line. This should concern anyone who has used the service. DNA might ...

It’s especially useful for confirming maternal relationships and tracking your mother’s ancestral line. Y-chromosome DNA (Y-DNA): Y-DNA tests trace paternal lineage, as the Y chromosome is ...

Science DNA breaks are toxic lesions for the cell. In order to repair these breaks, it is necessary, starting from the break ends, to find a homologous sequence within the vastness of the genome. In ...

We tend to think of Chevy's trucks and SUVs as staples in the pantry: solid, reliable, capable. Changes to the 2024 Chevy ...

One of the most notable examples of recombination takes place during meiosis (specifically, during prophase I), when homologous chromosomes line up in pairs and swap segments of DNA. This process ...

Turmoil at 23andMe, a company offering popular at-home DNA testing, has upset the industry. Following the resignation of every independent member of the company’s board of directors, its chief ...