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How many base pairs are found in one genome of man?

1. 7 × 10⁴
2. 2.8 × 10⁷
3. 3 × 10⁹
4. 4 × 10⁹

Correct answer: 3 × 10⁹

Solution

A single human genome is commonly estimated to contain about 3 billion base pairs. This is the accepted approximate size of the haploid human genome, matching 3 × 10⁹.

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