Researchers at the University of California, Davis have discovered a key tool that helps sperm and eggs develop exactly 23 chromosomes each. The work, which could lead to insights into fertility, spontaneous miscarriages, ...
Cell & Microbiology
Apr 12, 2012
0
1
With the aid of physics and a minuscule magnet, researchers have discovered a new structure of telomeric DNA. Telomeres are sometimes seen as the key to living longer. They protect genes from damage but get a bit shorter ...
Cell & Microbiology
Sep 15, 2022
0
4014
In high school textbooks, human chromosomes are pictured as wonky Xs like two hotdogs jammed together. But those images are far from accurate. "For 90 percent of the time," said Jun-Han Su, "chromosomes don't exist like that."
Cell & Microbiology
Nov 18, 2020
4
3117
Genetic markers for the Clan MacDougall have been discovered by Genealogy researchers at the University of Strathclyde.
Archaeology
Sep 21, 2020
0
1569
The knowledge of biodiversity in allegedly well-known places is not as complete as one would expect, and its detailed study by researchers continues to offer surprises. These are the findings from a new study of the flora ...
Plants & Animals
Mar 27, 2023
0
14
Some of the human X chromosome originates from Neanderthals and is found exclusively in people outside Africa, according to an international team of researchers led by Damian Labuda of the Department of Pediatrics at the ...
Archaeology
Jul 18, 2011
58
2
In 1997, the very first Neandertal DNA sequence—just a small part of the mitochondrial genome—was determined from an individual discovered in the Neander Valley, Germany, in 1856. Since then, improvements in molecular ...
Archaeology
Sep 24, 2020
7
885
Every modern mammal, from a platypus to a blue whale, is descended from a common ancestor that lived about 180 million years ago. We don't know a great deal about this animal, but the organization of its genome has now been ...
Plants & Animals
Sep 27, 2022
7
4935
The Y chromosome may be a symbol of masculinity, but it is becoming increasingly clear that it is anything but strong and enduring. Although it carries the "master switch" gene, SRY, that determines whether an embryo will ...
Biotechnology
Jan 18, 2018
0
57
A new species of gigantic tumbleweed once predicted to go extinct is not only here to stay—it's likely to expand its territory.
Plants & Animals
Aug 26, 2019
1
535
