Before species go extinct, their populations often shrink and become isolated. Healthy populations tend to have a large gene pool with many genetic variants circulating. But the path to extinction ...

Thus, many groups lived in isolated communities for hundreds of years before Europeans arrived, which the team noted likely had an impact on their gene pool. To find out if that might be the case, the ...

A research team has decoded the genome of historic potato cultivars and used this resource to develop an efficient method for analysis of hundreds of additional potato genomes. Potatoes are a staple ...