Two unrelated individuals are 99.9% similar.Since the human genome consists of roughly 3 billion bases, these two individuals will have _____ bases that are different.
A)3 million
B)3 billion
C)1 million
D)300 million
E)This number cannot be calculated from these data.

Question

Quizplus · Accepted Answer

Since humans are 99.9% similar genetically, the 0.1% difference applies to the total number of bases in the human genome, which is about 3 billion. Therefore, 0.1% of 3 billion is calculated as (0.1/100) * 3,000,000,000 = 3,000,000, which means there are 3 million bases that are different.

Two Unrelated Individuals Are 99