Genetics of Cleft Lip (image) European Molecular Biology Laboratory Caption A lack of a particular stretch of DNA can lead to cleft lip (bottom) in mice. Credit EMBL/V.V.Uslu Usage Restrictions EMBL press and picture releases including photographs, graphics and videos are copyrighted by EMBL. They may be freely reprinted and distributed for non-commercial use via print, broadcast and electronic media, provided that proper attribution to authors, photographers and designers is made. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.