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Standard XII
Biology
Ex-Situ Conservation
The term reco...
Question
The term recombinant DNA refers to
A
DNA of the host cell
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B
DNA with a piece of foreign DNA
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C
DNA with selectable marker
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D
DNA with more than one recognition sites
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Solution
The correct option is
B
DNA with a piece of foreign DNA
Recombinant DNA (rDNA) is DNA with a piece of foreign DNA.
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Similar questions
Q.
How many of the following statements are correct?
I. 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.
III. If a linear DNA molecule is digested with a restriction enzyme at four recognition sites on the DNA, 5 fragments would be produced.
IV. If a closed circular DNA molecule is digested with a restriction enzyme at six recognition sites, 7 fragments would be produced.
Q.
How many fragments will be generated on the digestion of a closed circular DNA molecule with a
restriction enzyme having six recognition sites on the DNA?
Q.
How many fragments will be generated if you digest a linear DNA molecule with a restriction enzyme
having four recognition sites on the DNA?
Q.
A foreign DNA is inserted and ligated at
BamHI
site of
p
B
R
322
. Select the statement that stands true for non recombinant transformants.
Q.
How many fragments will be generated in total upon digestion of a closed circular DNA molecule and liner DNA molecule with a same restriction enzyme having six recognition sites on both DNA molecules?
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