Friday, May 20, 2011

Can DNA testing hair without the root to determine paternity?

Establishment of paternity of a child is a serious matter. Positive and negative decisions can impact people's lives. Several criminal cases have been resolved by DNA technology. Hair is a valuable source of DNA. East AnalysisDNA DNA is unique for each analysis means to identify human marker testing process individual.DNA and determine the relationship between TestsSeveral people.Types methods exist.Several types of DNA testing DNA tests on the hair fatherhood determine carried out can be. Among the common types of hair DNA testing: Restriction fragment length polymorphism (RFLP) reaction (PCR) polymerase chain, short tandem repeat (STR) and mitochondrial DNA (MtDNA) are .ConsiderationsOnly root hair cells nucleated.Most hair DNA testing methods hanging from the DNA in the nuclei of the cells to make decisions. The hair root is the only part of the hair fiber contains DNA AnalysisMitochondiral DNA tests nucleated cells.Mitochondrial no intact kernels need process.Mitochondrial DNA analysis requires a nucleus for testing no DNA. This is the only method, which can effectively test hair many are lack of a root.AlternativesThere paternity testing options available.Alternatively paternity can be determined buccal swab DNA / cheek, blood tests, tests the umbilical cord and semen samples.

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