Figure 11.15 oriC Ampicillin resistance tpa ESM Genetic map of a shuttle vector used in yeast. Promoter oriy tpa CEN Polylinker Promoter (cloning site) 2012 Pearson Education,Inc.Figure 11.15 Ampicillin resistance Promoter ESM CEN Promoter Polylinker (cloning site) oriC t/pa oriY t/pa © 2012 Pearson Education, Inc. Genetic map of a shuttle vector used in yeast