Question

What is the only way that

any two humans could
have identical DNA?
A. if they are related
B. if they are twins this
C. if they have the same genetic disease
D. if they came from the same mother

Answer 1

Answer: B, if they are twins

Explanation: The only possible 100% DNA match is found when you have the EXACT same genes as someone else, which can only be found in identical twins.