Filtering by: Creator Tiffani L. Howard Remove constraint Creator: Tiffani L. Howard Date 1999 Remove constraint Date: 1999 Degree Ph.D. Remove constraint Degree: Ph.D. Keyword embryology Remove constraint Keyword: embryology Keyword proto-oncogene proteins Remove constraint Keyword: proto-oncogene proteins Keyword gene expression regulation Remove constraint Keyword: gene expression regulation Collection Scholars Archive Remove constraint Collection: Scholars Archive Resource type dissertation Remove constraint Resource type: dissertation