This variety is at the family level not within the same species
Dogs have been found to carry one 'master gene' which largely accounts for the wide size range. This gene mutation has probably been maintained by humans through selective breeding. www.npr.org/templates/story/story.php?storyId=9348104
( , Tue 4 Oct 2011, 15:00, Share, Reply)
Dogs have been found to carry one 'master gene' which largely accounts for the wide size range. This gene mutation has probably been maintained by humans through selective breeding. www.npr.org/templates/story/story.php?storyId=9348104
( , Tue 4 Oct 2011, 15:00, Share, Reply)