Keywords: Selection for nonnatural aa.svg two step selection Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Magnus Manske using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper <br/> Original text I Squidonius talk created this work entirely by myself 14 45 19 October 2009 UTC <br/> 2009 10 19 first version ; 2009 10 19 last version Squidonius talk Original uploader was Squidonius at http //en wikipedia org en wikipedia Released into the public domain by the author en wikipedia Squidonius Original upload log page en wikipedia Selection_for_nonnatural_aa svg 2009-10-19 14 57 Squidonius 753×434× 205199 bytes <nowiki> two step selection I ~~~ created this work entirely by myself ~~~~~ ~~~ </nowiki> 2009-10-19 14 45 Squidonius 753×434× 205199 bytes <nowiki> two step selection I ~~~ created this work entirely by myself ~~~~~ ~~~ </nowiki> Evolutionary biology |