On 2015 Jun 08, Michael Eisen commented:

Readers interested in this article should read the following blog post by Lior Pachter and associated comments:

https://liorpachter.wordpress.com/2015/05/26/pachters-p-value-prize/

The analyses presented there cast serious doubt on the claim made in the last paper, and highlighted in the last sentence of the abstract that "95% of cases of accelerated evolution involve only one member of a gene pair, providing strong support for a specific model of evolution, and allowing us to distinguish ancestral and derived functions".

On 2015 Jun 08, Michael Eisen commented:

Readers interested in this article should read the following blog post by Lior Pachter and associated comments:

https://liorpachter.wordpress.com/2015/05/26/pachters-p-value-prize/

The analyses presented there cast serious doubt on the claim made in the last paper, and highlighted in the last sentence of the abstract that "95% of cases of accelerated evolution involve only one member of a gene pair, providing strong support for a specific model of evolution, and allowing us to distinguish ancestral and derived functions".