While many people believe that human hair is a great piece of a person’s DNA, this is in fact a myth. Blame the detective and criminal investigation films that often show how the police pick up the hair sample with a pair of tweezers for DNA analysis.
Hair that is cut or shed does not, unfortunately, contain any nuclear DNA. For hair DNA testing to be successful, the hairs must have the hair follicle attached. Most serious and responsible DNA testing companies will strongly discourage using a sample of cut or shed hair for paternity testing and most other tests.
In fact, forensic scientists are only able to extract DNA from hairs if they have their roots attached. Unfortunately, most hairs do not have the root attached, so using DNA sampling to discover to whom it belonged is, in most cases, impossible., the founder and CEO of Your DNA Guide, cut hair does not contain the necessary material for DNA testing. If a person has any teeth pulled, that would be a good source. However, standard genealogical testing companies do not accept non-standard samples.
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