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Which one of the following is a wrong st...

Which one of the following is a wrong statement regarding mutations?

A

UV and Gamma rays are mutagens

B

Change in a single base pair of DNA does not cause mutation

C

Deletion and insertion of base pairs cause frameshift mutations.

D

Cancer cells commonly show chromosomal aberrations.

Text Solution

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The correct Answer is:
B
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ALLEN-GENETICS & MOLECULAR BASIS OF INHERITANCE AND MUTATION-EXERCISE-II (PREVIOUS YEAR QUESTIONS
  1. What is it that forms the basis of DNA fingerprinting ?

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  2. Read the following four statements (A-D) . (A) In transcription, a...

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  3. Which one of the following is a wrong statement regarding mutations?

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  4. If two persons with 'AB' blood group marry and have suffieciently larg...

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  5. Which Mendelian idea is depicted by a cross in which the F1 generation...

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  6. Which of the following statements is not true of two genes that show 5...

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  7. The incorrect statement with regard to haemophilia is

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  8. If both parents are carriers for thalassemia, which is an autosomal re...

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  9. Which enzyme/s will be produced in a cell in which there is a nonsence...

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  10. DNA fragments generated by the restriction endonucleases in a chemical...

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  11. In given pedigree there is a inheritance of certain character of two f...

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  12. Fruit colour in squash is an example of

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  13. A man whose father was colour blind married a woman who had a colour b...

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  14. In a population of 1000 individuals 360 be- long to genotype AA 480 to...

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  15. Commonly used vectors for human genome sequencing are

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  16. Arrange the various steps of DNA fingerprinting technique in the corre...

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  17. A man with blood group 'A' marries a women with blood group 'B'. What ...

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  18. How many pairs of contrasting characters in pea plants were studied by...

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  19. In sea urchin DNA, which is double stranded, 17% of the bases were sho...

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  20. The mechanism that causes a gene to move from one linkage group to a...

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