The hair DNA sample only contains DNA in the hair follicle, that is, in the hair root, so not all samples are suitable for analysis.
At HomeDNAPaterityKit we carry out DNA tests from saliva samples by buccal swabs, because 9 out of 10 samples that are made with hair fail because they already come with the DNA of other people.
Therefore it is an efficient, painless, fast and practical method.
If the hair does not contain this hair follicle or root, it will not be suitable for DNA extraction, therefore the cut hairs are not valid. Results for non-standard samples (such as hair) are highly dependent on the condition of the sample submitted.
For example, if hair samples are sent, it is best to extract more than 15 rooted hairs and send them for examination (rootless, lost, or cut hairs do not give good results).
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