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.
Next of kin usually have the right to request copies of medical records of their deceased parents. The medical records do not belong to the estate of the deceased. The Personal Representative (executor, executrix, administrator, trustee) of the estate does not have any authority to approve or deny access to the medical records of the deceased. Contact the agency holding the medical records and ask for their Medical Records Release Authorization form.