AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

THE HUMAN GENOME

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many base pairs (bp) are in the human genome?
A
1 billion bp
B
4 billion bp
C
3 billion bp
D
3.5 billion bp
Explanation: 

Detailed explanation-1: -So, saying that the human genome is approximately 3 billion base pairs (bp) long is the same as saying that each set of chromosomes is 3 billion bp long. In fact, each of our diploid cells contains twice that amount of base pairs.

Detailed explanation-2: -One copy of the human genome consists of approximately 3 billion base pairs of DNA, which are distributed across 23 chromosomes. Human chromosomes range in size from about 50 million to 300 million base pairs.

Detailed explanation-3: -A human genome has around 3 billion base pairs. Your body is made up of trillions of cells. Each of these cells has two copies of your genome.

Detailed explanation-4: -Thanks to the Human Genome Project, researchers have sequenced all 3.2 billion base pairs in the human genome. How did researchers complete this chromosome map years ahead of schedule?

Detailed explanation-5: -Basic Structure of the Human Genome The human genome, a diploid genome, is comprised of 3.2 billion nucleotides that are packed into 23 pairs of chromosomes. It contains approximately 23, 500 protein-coding genes.

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