This one-of-a-kind test prep guide helps you to: test your knowledge of essential biochemistry and genetics concepts for the USMLE Step 1; practice with 500 USMLE Step 1-style questions with referenced answers; review explanations for right and wrong answers; and build confidence skills and knowledge. This new edition of biochemistry and genetic pretest self assessment and review is based in part on earlier editions prepared by golder n Wilson department of pediatrics university health sciences. All question are in single best answer format and a large number are analogous to those of the united states medical licensing examination usmle step 1. questions are updated to the most current editions of leading textbooks in medical biochemistry and medical genetics.