The following is quite confusing, I was hoping I could get some guidance? Comprehension Questions: Q1. What is a transposon? Q2. How common are transposons in the human genome? Q3. How does a transposon "jump" from one site in the genome to another? Q4. What is a polymorphism? Q5. How can PCR be used to determine the Alu genotype of an individual? Q6. How is Taq DNA polymerase different from DNA polymerase found in E. coli? Q7. What is the role of the forward and reverse primers used in PCR?.