If you were to compare the DNA of any two unrelated people, about what percent of their DNA would be identical?
A) 25%
B) 50%
C) 99.9%
D) 100%

Question

Quizplus · Accepted Answer

Two unrelated individuals can have up to 0.1% variation in their DNA, meaning they share 99.9% of their DNA. This is because almost all humans have the same collection of genes that make up our blueprint for life, but small variations, or mutations, occur over generations. Therefore, about 99.9% of the DNA of any two unrelated people would be identical.

If You Were to Compare the DNA of Any Two