shan(cmrj) Questions: 1) What is Touch DNA? How is Touch DNA detected, preserved, and collected? 2) Describe the collection of biological stains including variances between dry, wet, and liquid stains. What are the four primary conditions in which a stain may be encountered? 3) What is PCR analysis? When was this method first described? Why is this application important particularly for cold cases or cases in which only a small amount of DNA is discovered? 4) What is STR analysis? Why is this an effective method for DNA typing? 5) What is AFLP analysis? What is RFLP analysis? Why are these effective methods for DNA typing? Instructions: Please answer the following discussion questions listed above. Each answer should be in essay format and should be substantive and detailed to include a minimum of 500 words. You are welcome and encouraged to exceed this minimum length requirement. Note: During the weeks in which more than one question is posed, your cumulative post (addressing all questions) should be a minimum of 500 words. Please feel free to supplement your research with additional resources outside of those provided in class. Please be sure to thoroughly cite any external research sources used. You are required to interact with your peer during each discussion week. A minimum of two (2) follow-up responses to your peers is required. These follow-up posts should be substantive and include a minimum of 250 words