- 1(current)
Q. No.What is it that forms the basis of DNA Fingerprinting?
| 1. | The relative proportions of purines and pyrimidines in DNA. |
| 2. | The relative difference in the DNA occurrence in blood, skin, and saliva. |
| 3. | The relative amount of DNA in the ridges and grooves of the fingerprints. |
| 4. | Satellite DNA occurring as highly repeated short DNA segments |
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DNA fingerprinting is related to:
| 1. | Molecular analysis of profiles of DNA samples |
| 2. | Analysis of DNA samples using imprinting devices |
| 3. | Techniques used for molecular analysis of different specimens of DNA |
| 4. | Techniques used in the identification of fingerprints of different persons |
Which of the following cannot be inferred from the information given in the following diagram?
| 1. | The DNA from the crime scene matches that of individual B |
| 2. | VNTRs are hypervariable |
| 3. | The larger fragments remain near the point of introduction in the gel electrophoresis |
| 4. | The smaller chromosomes in the human genome have smaller repeats of VNTR |
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The DNA profiles below represent four different individuals. Which of the following statements is consistent with the results?
1. B is the child of A and C.
2. C is the child of A and B.
3. D is the child of B and C.
4. A is the child of B and C.
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Which of the following is not required for any of the techniques of DNA fingerprinting available at present?
| 1. | DNA -DNA hybridization | 2. | Polymerase chain reaction |
| 3. | Zinc finger analysis | 4. | Restriction enzymes |
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A tract of repetitive DNA in which certain DNA motifs (ranging in length from 10–60 base pairs) are typically repeated 5-50 times is called:
| 1. | Satellite chromosome | 2. | Satellite DNA |
| 3. | Minisatellite | 4. | Microsatellite |
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Consider the following statements:
| I: | The VNTRs belong to a class of satellite DNA called as mini-satellite. |
| II: | Southern blotting is the transfer of DNA fragments to a filter cellulose membrane. |
| III: | VNTRs are used in DNA fingerprinting as they do not show any variations and are not inherited. |
Which of the above statements are true?
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II, and III |
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- 1(current)
Q. No.
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