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The International Society of Genetic Genealogy promotes the use of DNA testing in genealogy. The American Society of Human Genetics (ASHG) developed a position paper on ancestry testing. Detailed information about genetic ancestry testing is available from Sense About Science.
DNA paternity testing examines DNA from a mother, child and father (or possible father). When a mother is unsure of who the father is or needs proof of paternity, a DNA test will confirm the father's identity.DNA tests are also used for adopted children.wab Testing. DNA testing requires a neutral third party to take the samples. This ensures that samples are not false or mixed up. A certified tester swipes one specialized swab to the inside of the child's mouth then uses new ones for each parent.