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.
Quotes like a chimp's DNA is 95% identical to humans is very misleading. That particular comparison was almost certainly done on just the coding sequences, which is only ~10% of the genome. The noncoding DNA is much less conserved across species, and even between individuals of the same species.