NEW YORK (GenomeWeb News) – New research is casting doubt on the notion that there was extensive pre-Columbian trading between Polynesia and South America.
 
An international team of researchers sequenced mitochondrial DNA from 41 Chilean chickens and analyzed their phylogenetic relationships by comparing them with available ancient samples and with more than 1,000 modern domestic chickens from different parts of the world.
 

Get the full story

This story is free
for registered users

Registering provides access to this and other free content.

Register now.

Already have an account?
Login Now.

The president of France's National Research Agency has resigned, according to Nature News.

A senator wants a "right-to-try" provision in the US Food and Drug Administration funding bill, but an ethicist says at Stat News that it would undermine the role of clinical trials.

In PNAS this week: red algae Porphyra umbicalis genome, deep neural network model for sequencing peptides, and more.

The Guardian's Barbara Ellen has tried out some DNA testing services to see whether they provide valuable information.