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
A team of Brazilian and British scientists has discovered that extreme wind and water deficiency are the main causes of tree death in the southern Amazon.
Environment
Feb 28, 2022
0
108
The human genome is peppered with repeated DNA elements that can vary from a few to thousands of consecutive copies of the same sequence. During meiosis—the cell division that produces sperm and eggs—repetitive ...
Cell & Microbiology
Aug 7, 2011
0
0
The fragile regions in mammalian genomes that are thought to play a key role in evolution go through a "birth and death" process, according to new bioinformatics research performed at the University of California, San Diego. ...
Biotechnology
Nov 30, 2010
0
0
A new study reveals that - contrary to decades of evolutionary thought - chromosome regions that are prone to breakage when new species are formed are a rich source of genetic variation.
Cell & Microbiology
Apr 23, 2009
0
0
