Q1. You preformed Cot analysis using genomic DNA samples obtained from a 2 year-old child and a 76 year-old individual. Results of this analysis show that one of the most rapidly reassociating classes of DNA is substantially reduced in the older individual with respect to the 2 year-old. How can you describe this finding?

Q2. What is the standard habitat of clostridium perfringens and an infection it may cause? What are the most common obligate anaerobes to cause infection in humans, their normal habitat and the most general infection they cause?