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.
1 This is a DNA fingerprint. 2  The probability of having two people with the same DNA fingerprint that are not identical twins is very small.  Just like your actual fingerprint, your DNA fingerprint is something you are born with, it is unique to you.