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What is point mutation? Give one example...

What is point mutation? Give one example.

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Change of single base pair in the gene for betaglobin chain that results in the change of aminoacid residue glutamate to valine. It results in a diseased condition called sickle cell anaemia.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-MOLECULAR BASIS OF INHERITANCE -Exercise
  1. What is point mutation? Give one example.

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  2. Group the following as nitrogenous bases and nucleosides: Adenine, Cyt...

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  3. If a double stranded DNA has 20 per cent of cytosine, calculate the pe...

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  4. If the sequence of one strand of DNA is written as follows: 5-ATGCA...

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  5. If the sequence of the coding strand in a transcription unit is writte...

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  6. In DNA model of Watson & Crick, the major grooves are site of

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  7. Depending upon the chemical nature of the template (DNA or RNA) and th...

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  8. How did Hershey and Chase differentiate between DNA and protein in the...

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  9. Differentiate between the followings: (a) Repetitive DNA and Satell...

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  10. Differentiate between the followings: (a) Repetitive DNA and Satell...

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  11. Last two essential roles of ribosome during translation.

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  12. In the medium where E. coli was growing, lactose was added, which Indu...

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  13. Explain (in one or two lines) the functions of the followings : Prom...

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  14. Explain (in one or two lines) the functions of the followings : tRNA

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  15. Explain (in one or two lines) the functions of the followings : Exon...

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  16. Briefly describe the following: (a) Transcription (b) Polymorphism...

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  17. Briefly describe the following: (a) Transcription (b) Polymorphism...

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  18. Number of nucleotides per one turn of DNA double helix is

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  19. In an experiment, DNA is treated with a compound which tends to place ...

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  20. Recall the experiments done by Frederick Griffith. Where DNA was specu...

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  21. You are repeating the Hershey - Chase experiment and are provided with...

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