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D.c Paternity Testing and Family Relationship DNA Tests

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    DNA Facts - Did you know?

    DNA was eventually discovered by Friedrich Miescher in 1869. At that time however, scientists hadn't realized DNA held the genetic code to life until 1943. Up until then, the general belief was that proteins were responsible for holding genetic information.

    The human genome is composed of all of the DNA found within the nuclei of our cells. However, there is another source of DNA within our bodies. Mitochondria are the powerhouses of our cells. It is thought that mitochondria are actually simple cells that invaded our cells at some point in the distant past. This has been suggested because the mitochondria maintain their own DNA and replicate on their own. When an embryo forms, it inherits half its genome from its mother and half from its father. But all of the mitochondria are from the mothers egg. If a mutation has occurred in those mitochondria, then all of the resulting offsprings mitochondria will be mutated. This is often deadly. To stop this from happening, a potential treatment has been developed which would essentially create a baby with three parents.A sperm would fertilize the mothers egg as normal, but then the nucleus that is formed would be removed from the embryonic cell and placed in an egg that has had its nucleus removed. This cell would therefore have the DNA of its mother and father, and the mitochondria of a third person as well.