Home
Class 12
BIOLOGY
The most striking example of point mutat...

The most striking example of point mutation is found in a disease called

A

Night blindness

B

Thalassemia

C

Down's syndrome

D

Sickle-cell anaemia

Text Solution

Verified by Experts

The correct Answer is:
D
Sickle cell Anaemia is a heredity disorder of autosomal nature which is caused by mutation of the gene controlling `Beta`- chain of haemoglobin .
Promotional Banner

Topper's Solved these Questions

  • MOLECULAR BASIS OF INHERITANCE

    ERRORLESS |Exercise Molecular Basis Of Inheritance|469 Videos

  • REPRODUCTION IN ORGANISMS

    ERRORLESS |Exercise Reproduction In Organisms|116 Videos

Similar Questions

Explore conceptually related problems

Define point mutation

Point mutation involves

Point mutation involves :

Point mutation is induced by :-

Most of the mutations are

Assertion (A): Sickle cell anaemia is an example of point mutation. Reason ( R): It is caused by addition or deletion of nitrogenous bases in the DNA or mRNA.

The earliest record of point mutation is :-

What are point mutations?Give one example of point mutations

Most of the mutations are:

ERRORLESS -PRINCIPLES OF INHERITANCE AND VARIATION-Principles Of Inheritance And Variation
  1. In Drosophila gene for white eye mutation is also responfor depigmenta...

    Text Solution

    |

  2. The functinal unit of mutation is

    Text Solution

    |

  3. The most striking example of point mutation is found in a disease call...

    Text Solution

    |

  4. Which following pair of disease is caused by two genes locted on human...

    Text Solution

    |

  5. Which of the following is not related to chromosomal aberration

    Text Solution

    |

  6. Sickle-cell anaemia is

    Text Solution

    |

  7. The frequency of a mutant gene in a population is expected to increase...

    Text Solution

    |

  8. Albinism is due to nonsythesis of melanin on account of absence of

    Text Solution

    |

  9. Sometimes chromosome number increase or decrease due to

    Text Solution

    |

  10. Match the following

    Text Solution

    |

  11. The idea of mutations was brought forth by

    Text Solution

    |

  12. Edward syndrome is on account of ………….

    Text Solution

    |

  13. Sickle- cell anaemia is an autosome linked recessive trait that can be...

    Text Solution

    |

  14. Pick out the correct statements (i) Haemophilia is a sex-linked rece...

    Text Solution

    |

  15. Match column I with column II and find the correct answer

    Text Solution

    |

  16. Height is

    Text Solution

    |

  17. Which one of the following is not a mutagen

    Text Solution

    |

  18. Rate of mutation is affected by

    Text Solution

    |

  19. A mutation is most likely to have a selective advantage in evolution i...

    Text Solution

    |

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

    Text Solution

    |