Hartwell, Leland et al. Genetics: From Genes to Genomes. Sixth edition. New York, NY: McGraw-Hill Education, 2018. Print.
Krebs, Jocelyn E., Elliott S. Goldstein, and Stephen T. Kilpatrick. Lewin’s Genes XII. Burlington, MA: Jones & Bartlett Learning, 2018. Web. <https://ebookcentral.proquest.com/lib/uea/detail.action?docID=4830619>.