MADISON – For more than a century, biologists have been working to assign plants, animals and microbes their respective places on the tree of life. More recently, by comparing DNA sequences from a few ...

To understand how organisms are related, researchers use molecular information to construct phylogenetic trees. Most of the time, scientists use thousands of protein-coding sequences to determine ...

Genomes are key to unlocking life’s evolutionary history. The presence and absence of certain genetic sequences and mutations can give us clues to the order in which species diverge. However, even ...