Number 12

11. Explain why it is necessary to type the victim's blood when trying to determine if any of the blood found at a crime scene belongs to a particular suspect. 12. When blood typing, which blood-type proteins are examined? If blood from one of the suspects matches the crime-scene blood, does that prove that the suspect is guilty? Explain your answer. 14. Poor laboratory techniques may lead to erroneous results that could impact the outcome of a trial. Describe some examples of poor laboratory techniques involved in a blood-typing analysis that might produce erroneous results. the suspect and at a crime scene as and in