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.
Confidence votes 4. Because no two funeral homes or crematoriums are the same, the only way to know if DNA is present in cremated remains is to test them in a laboratory that specializes and uses the latest technology in forensic cremation.ou have many choices when it comes to the urn. Some people will  leave it at home for a while others will immediately purchase a  final resting place. Of course the risk of â¦ leaving the urn at home,  specially if it is your spouse is what will happens with your ashes  and your spouses ashes after your cremation.