'Pelvis has left the building'
Thursday, June 4, 2009 - 11:49
in Biology & Nature
SALT LAKE CITY, June 4, 2009 -- New research shows that when two species of stickleback fish evolved and lost their pelvises and body armor, the changes were caused by different genes in each species. That surprised researchers, who expected the same genes would control the same changes in both related fish.