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The human haploid genome contains about how many base pairs?

A3 billion
B3 million
C30 billion
D300 million
Answer & Solution
Correct answer: A. 3 billion
1. Each cell has 23 pairs of chromosomes. 2. The haploid genome holds 3 billion base pairs. 3. It has 20,000 to 25,000 functional genes. _Source: OpenStax Biology 2e, Chapter 14, DNA Structure and Function (CC BY 4.0)._
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