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| Description: A classic case of X-linked recessive inheritance: a partial pedigree of the descendants of Queen Victoria of England. At one time, the recessive X-linked allele that resulted in hemophilia was present in eighteen of Victoria’s sixty-nine descendants, who sometimes intermarried. Of the Russian royal family members shown, the mother (Alexandra Czarina Nicolas II) was a carrier. Picture Stats: Views: 75 Filesize: 178.17kB Height: 547 Width: 1500 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=48667 |