If you were to sequence the genome of two individuals and found that their DNA is 99.9% similar, what inference could you make?
A)These two individuals must be siblings.
B)These individuals are likely identical twins.
C)These individuals must be from different species.
D)No inferences could be made because 99.9% of DNA is shared between all humans.

Question

Quizplus · Accepted Answer

It is important to note that 99.9% similarity is actually quite significant, as all humans share about 99.5% of their DNA. Therefore, no specific inference can be made about the relationship or species of the individuals based solely on this information.

If You Were to Sequence the Genome of Two Individuals