קובץ:Chr-7.jpegDescriptionChr-7.jpeg Chromosome 7 Date 3 December 2006 Source http://ghr.nlm.nih.gov/ghr/chromosomes Author NIH.gov (see this site) Permission (Reusing
קובץ:Bad Zwischenahn backt (7).jpegyour choice. English author name string: CHR!S Wikimedia username: CHR!S URL: https://commons.wikimedia.org/wiki/User:CHR%21S determination method: SHA-1