OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The human genome is made up of about ____ base pairs.
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3 million
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5 million
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3 billion
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5 billion
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Explanation:
Detailed explanation-1: -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-2: -The information in DNA is stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T). Human DNA consists of about 3 billion bases, and more than 99 percent of those bases are the same in all people.
Detailed explanation-3: -3.2 billion That’s how many base pairs-or sets of genetic “letters"-make up the human genome.
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