I heard that the paternity test needs a sample, we saw on TV someone took the hair picked up on the ground to do the identification, but we want to choose the nail and oral swab, please ask the nail and oral swab which sample to do the paternity test is better?
Expert answer, the hair picked up on the ground is not directly to do paternity test Oh, hair samples collected is required with hair follicles, so as to test the dna information, and the hair picked up on the ground many may not have hair follicles, as for the collection of other samples specific can refer to the following Oh.
Special samples of nails.
1. according to the general method of cutting the fingernails of the identified person (nail free edge), placed on a clean paper.
2. The nails of the appraisee will be cut according to different sources, wrapped with clean paper and placed in different small envelopes, with the words father, son, mother, etc. marked on the surface of the envelope.
Note: When cutting nails, avoid cutting too much, try to cut deeper, and the number of nail pieces should not be less than 5 pieces.
Routine samples of oral swabs.
1, prepare sterilized medical swabs, before extraction, first rinse the mouth with water, and then a hand-held swab, into the mouth, from the inside of the mouth at the buccal mucosa repeatedly wipe more than 30 times, remove the swab, clean place shade dry
2, the same way to collect the second swab, each person should extract at least three swabs.
3, please do not forget to mark the samples well, pay attention to the different samples placed separately, not in contact with each other.
Fingernails and oral swabs which sample to do paternity identification better, experts say that if you can collect the conventional sample is best to choose the conventional sample first Oh, if not convenient can also choose the nail, as long as you can test the individual dna information on Oh.