Genetics Questions:
Please answer and explain in detail.
Question 1: Why is it necessary to perform PCR on DNA obtained from a crime scene?
Question 2: What is the difference between an allele and a locus?
Question 3: Why do forensic labs analyze non-coding DNA and not genes?
Question 4: There are 13 loci used when performing DNA fingerprinting yet the karyotype in Figure 2 shows 15 loci. Identify which two loci are not used for fingerprinting purposes and why they are highlighted on the karyotype.
Include source of information for best answer.