1. 8 th Grade Forensic Science Set #7 T. Trimpe 2006 http://sciencespot.net/ Trivia Challenge Daily CSI

2. Questions 3. When identifying victims of disasters, such as plane and train crashes, approximately 93 percent of identifications are made on the basis of which characteristic? A. Skeletal characteristics C. DNA analysis B. Dental records D. Personal effects 4. When two objects touch, there is a transfer of material from one to the other. This trace evidence is the basis of forensic science. What is the idea known as? A. Murphy's Law of Contact C. Locard's Principle B. Forensic Law D. Bertillon's Principle of Transference 1. DNA (deoxyribonucleic acid) is the genetic material in our cells which controls heredity. Which of the following statements is not true? A. DNA can show a person's gender but not their age or race. B. Only identical twins will have identical DNA. C. Red blood cells are the best source of DNA. 2. Sir Alec Jeffreys developed the first DNA profiling test. Its first use to solve a crime occurred in England. In which year did this occur? A. 1967 B. 1974 C. 1986 D. 1995