1. Assessing the Impact of Arctic Glacial History on Walrus Genetic Structure and Diversity Through Time Using Ancient Mitochondrial DNA Open Access Author: Cousar, Michael Christopher Title: Assessing the Impact of Arctic Glacial History on Walrus Genetic Structure and Diversity Through Time Using Ancient Mitochondrial DNA Area of Honors: Biology Keywords: ancient DNAmitochondrial DNAwalrusphylogenetic analysismolecular biologyglacial historypopulation genetics File: Download Cousar_Honors_Thesis_Final.pdf Thesis Supervisors: Dr. Beth Shapiro, Thesis SupervisorDr. Beth Shapiro, Thesis SupervisorDr. Stephen Wade Schaeffer, Thesis Honors Advisor