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UV radiations cause...

UV radiations cause

A

Formation of thymine dimers

B

Deletion of base pairs

C

Methylation of base

D

Additon of base pairs

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The correct Answer is:
A
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ERRORLESS -PRINCIPLES OF INHERITANCE AND VARIATION-Principles Of Inheritance And Variation
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  2. Epicanthal skin fold and simian crease are characteristics of:

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  3. UV radiations cause

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  4. A person may have one gene for normal heamoglobin and one gene for sic...

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  5. If a diploid cell is treated with colchicine, then it becomes

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  6. Which one of the following mutation partially or fullt reverses the ha...

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  7. Polydactyly in man is due to

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  8. The number of chromosomes in Klinefelter's syndrome is

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  9. Philadelphia chromosome is

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  10. Which of the following chromosomal constituation refers to Jacob's syn...

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  11. The condition in which there are more than two complete set of chromos...

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  12. Down's syndrome is caused by an extra copy of chromosome number 21. Wh...

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  13. Polyploidy can be induced the application of

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  14. Given below is the representation of kind of chromosomal mutation what...

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  15. In the given human hand pedigree which character is represented and wh...

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  16. A recessive mutant is one which is:

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  17. Frequency of Down's syndrome increase when the matermal age is

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  18. Addition or deletion of a single nucleotide results in which type of m...

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  19. Change in the number of body parts is called

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  20. Turner's syndrome is an example of

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