The U.S. Constitutionâs 10th Amendment is arguably the most important of all the amendments in the brilliant document that helped shape the United States.
Not even identical twins have the same DNA--although theirs would be far closer than anyone else's. DNA changes over time. Odds of two siblings having the same DNA who did not split from the same zygote are vanishingly small.
The DNA found in every person is as unique as a fingerprint and except for identical twins, no two people share the same DNA pattern. Our unique DNA pattern is inherited from our parents. Each person has DNA in the form of 23 pairs of chromosomes.