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31
Assertion (A) DNA fingerprinting has become a powerful tool to establish paternity and identity of criminal in rape and assault cases.
Reason (R) Trace evidences such as hair, saliva and dried semen are adequate for DNA analysis
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Answer: Option A
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32
Usually, the greatest interference is between loci which are
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Answer: Option A
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33
In case of less friable tissues, dispersion may be improved by modifying the nutrient medium in several ways which include
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Answer: Option B
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34
Increase of age decreases
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Answer: Option A
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35
Reduction of hydration of the B form of DNA below 66%, with excess of salt present, results in the
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Answer: Option B
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36
The physical process of interchange of corresponding parts between the chromatids of a homologous pair of chromosomes that results in the recombination of linked genes is known as
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Answer: Option D
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37
Which of the following enzymes catalyses the synthesis of RNA molecules complementary to single-strand DNA template?
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Answer: Option C
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38
The mechanisms or possibilities, according to which further advancement of life was achieved when the protobionts acquired the informational macromolecules the DNA, include:
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Answer: Option A
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39
The reason of large scale diversity among the organisms is
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Answer: Option A
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40
Darwin's theory of natural selection is based on
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Answer: Option D
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