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.
No, even though twins do have identical DNA, they can have far different environments and life experiences. So, two identical twins though genetically the same could be very d â¦ issimilar in intelligence.