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प्रश्न
DNA fingerprinting is based on the principle of identifying______.
पर्याय
single stranded
mutated
polymorphic
repetitive
उत्तर
DNA fingerprinting is based on the principle of identifying repetitive.
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संबंधित प्रश्न
Explain the significance of satellite DNA in DNA fingerprinting technique.
Which material is used for isolation of DNA in fingerprinting technique?
Name the radioactive probe used in India for DNA fingerprinting.
Long Answer Question:
Guess (i) the possible location of DNA on the collected evidence from a crime scene and (ii) the possible sources of DNA.
| Evidence | Possible location of DNA on the evidence | Sources of DNA |
| e.g. Eyeglasses | e.g. Ear pieces | e.g. Sweat, Skin |
| Bottle, Can, Glass | Sides, mouthpiece | __________ |
| __________ | Handle | Sweat, skin, blood |
| Used cigarette | Cigarette butt | ____________ |
| Bite mark | ____________ | Saliva |
| __________ | Surface area | Hair, semen, sweet, urine |
Restriction endonucleases cut the DNA molecule at specific positions known as ______.
DNA fingerprinting technique was developed by Alec Jeffrey
Assertion: rDNA is superior over hybridisation techniques.
Reason: Desired genes are inserted without introducing the undesriable genes in target organisms.
Which of the following technique is used for amplification or multiplication of DNA for fingerprinting?
Match the Column - I with Column - II and select the correct option
| Column - I | Column - II | ||
| (a) | Female banded Krait | (i) | Humulin |
| (b) | Pancreas from dog | (ii) | DNA sample |
| (c) | Hair root of human | (iii) | Insulin extracted and purified |
| (d) | E.coli | (iv) | DNA probe |
The image below depicts the result of gel electrophoresis -
If the ladder represents sequence length upto 3000 base pairs (bp),
- Which of the bands (I - IV) correspond to 2500 bp and 100 bp respectively?
- Explain the basis of this kind of separation and also mention the significance of this process.
