An example of a polygenic trait is human skin color variation. Several genes factor into determining a person's natural skin color, so modifying only one of those genes can change skin color slightly or in some cases, such as for SLC24A5, moderately.
Case 1 â The Alleged Father has Recently Passed Away. If less than a week has passed since the deceased died, then if permission can be obtained, fingernail cuttings and a hair sample with root attached can be used to extract DNA samples to establish paternity. It is a more complex procedure than a buccal swab, but the DNA matching is just as accurate.
Some consider any request for a DNA sample to be a violation of an individualâs right to privacy and a violation of their civil liberties. Access to and Use of Data. Some legitimate concerns about DNA collection and profiling involve the access others would have to it and what they would do with it.NA profiling is the process of using DNA for the identification of an individual. As one example, it is one of many techniques used by law enforcement to capture criminals and eliminate suspects from suspicion.