Transfer of electrophoresis-separated DNA fragments to a filter membrane and subsequent fragment detection by probe hybridization is called as:

1.DNA profiling2.PCR
3.Southern blotting4.Elution

Subtopic:  DNA Fingerprinting |
 69%
From NCERT
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What is the most logical sequence of steps for splicing foreign DNA into a plasmid and inserting the plasmid into a bacterium?

I. Transform bacteria with recombinant DNA molecule.
II. Cut the plasmid DNA using restriction enzymes.
III. Extract plasmid DNA from bacterial cells.
IV. Hydrogen-bond the plasmid DNA to non-plasmid DNA fragments.
V. Use ligase to seal plasmid DNA to non-plasmid DNA.

1. I, II, IV, III, V
2. II, III, V, IV, I
3. III, II, IV, V, I
4. III, IV, V, I, II

Subtopic:  Gene Regulation: Introduction | DNA Fingerprinting |
 77%
From NCERT
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The "Southern" technique involves:

1. the detection of DNA fragments on membranes by specific radioactive antibodies.
2. the detection of proteins on membranes using a radioactive DNA probe.
3. the detection of DNA fragments on membranes by a radioactive DNA probe.
4. the detection of proteins on membranes using specific radioactive antibodies.
Subtopic:  DNA Fingerprinting |
 81%
From NCERT
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A piece of nucleic acid used to find a gene, by forming a hybrid with it, is called a
1. Probe
2. Vector
3. Restriction sequence
4. Retrovirus

Subtopic:  DNA Fingerprinting |
 82%
From NCERT
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The size of VNTR [used in DNA fingerprinting] varies from:

1.0.1 to 20 kb2.20 to 30 kb
3.50 to 100 kb4.115 to 215 kb

Subtopic:  DNA Fingerprinting |
 80%
From NCERT
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What is it that forms the basis of DNA Fingerprinting?

1. The relative difference in the DNA occurrence in blood, skin and saliva
2. The relative amount of DNA in the ridges and grooves of the fingerprints
3. Satellite DNA occurs as highly repeated short DNA segments
4. The relative proportions of purines and pyrimidines in DNA

Subtopic:  DNA Fingerprinting |
 82%
From NCERT
AIPMT - 2012
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