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Multiple Choice
Approximately how many base pairs (bp) are in the haploid human genome (one complete set of chromosomes)?
A
About 3.2 billion bp
B
About 320 million bp
C
About 3.2 million bp
D
About 32 billion bp
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Verified step by step guidance
1
Understand that the haploid human genome refers to one complete set of chromosomes, which is found in gametes (sperm or egg cells).
Recall that the human genome size is commonly measured in base pairs (bp), which are the building blocks of DNA.
Know that the diploid human genome (two sets of chromosomes) contains approximately 6.4 billion base pairs, so the haploid genome will have half of that number.
Calculate the approximate number of base pairs in the haploid genome by dividing the diploid number by 2: \(6.4 \times 10^{9} \div 2\).
Recognize that this calculation results in about 3.2 billion base pairs, which matches the first answer choice.