OBJECTIVE LIFE SCIENCE
BIOTECHNOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many fragments will be generated if you digest a linear DNA molecule with a restriction enzyme having four recognition sites on the DNA
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3
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6
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5
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4
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Explanation:
Detailed explanation-1: -If a linear DNA molecule is digested with a restriction enzyme at four recognition sites on the DNA, 5 fragments would be produced.
Detailed explanation-2: -On cleaving a circular DNA 3 fragments of DNA will be obtained as there are 3 recognition sites for restriction enzyme.
Detailed explanation-3: -If a linear DNA molecule is digested with a restriction enzyme at four recognition sites, 4 fragments would be produced. II. If a closed circular DNA molecule is digested with a restriction enzyme at six recognition sites, 6 fragments would be produced.
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