Home
Class 12
BIOLOGY
Polytene chromosome becomes giant due to...

Polytene chromosome becomes giant due to

A

polyploidy

B

cancer

C

nondisjunction

D

endoduplication

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • Plant Physiology

    TRUEMEN BIOLOGY ENGLISH|Exercise ASSERTION AND REASON|89 Videos

  • Protista

    TRUEMEN BIOLOGY ENGLISH|Exercise ASSERTION AND REASON|6 Videos

Similar Questions

Explore conceptually related problems

Polytene chromosomes are formed due to

Polytene chromosome occur in cells of salivary glands of

The chromosomes become invisible in

Assertion: Polytene chromosomes have a high amount of DNA. Reason: Polytene chromosomes are formed by repeated replication of chromosomal DNA without separation of chromatids

Attachment of spindle fibres to kinetochores of chromosomes becomes evident in:

Polytene chromosomes were discovered by

Loss of chromosome segment is due to

The polytene chromosomes were discovered for the first time in

Polytene chromosome was first observed by (a) Stevens and Wilson (b) Heitz and Bauer (c) Balbiani (d) Khorana

In mitosis, all chromosomes become aligned at the spindle equator at the end of anaphase

TRUEMEN BIOLOGY ENGLISH-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. Salivary glands chromosome were discovered by Balbi- ani (1881) from t...

    Text Solution

    |

  2. In which stage, you will find lampbrush chromosomes in oocyte of frog?

    Text Solution

    |

  3. Polytene chromosome becomes giant due to

    Text Solution

    |

  4. The major amino acids in histone protein of chromosomes are

    Text Solution

    |

  5. Term chromosome was coined by

    Text Solution

    |

  6. Acentric chromosome at mitotic anaphase will

    Text Solution

    |

  7. Chromatin is composed of

    Text Solution

    |

  8. Secondary constriction in chromosome is referred to as

    Text Solution

    |

  9. Sickle cell anemia is

    Text Solution

    |

  10. The most popularly known blood grouping is the ABO grouping. It is nam...

    Text Solution

    |

  11. Study the pedigree chart given below what does it show?

    Text Solution

    |

  12. Select the incorrect statement from the following

    Text Solution

    |

  13. Which one of the following cannot be explained on the basis of Mendel'...

    Text Solution

    |

  14. The genotype of a plant showing the dominant phenotype can be determin...

    Text Solution

    |

  15. Select the correct statement from the ones given below with respect to...

    Text Solution

    |

  16. Which one of the following symbols and its representation, used in hum...

    Text Solution

    |

  17. Which one of the following statement about the particular entity is tr...

    Text Solution

    |

  18. Study the pedigree chart of a certain family given below and select th...

    Text Solution

    |

  19. In Antirrhinium two plants with pink flowers were hybridized. The F(1)...

    Text Solution

    |

  20. ABO blood grouping is controlled by gene I which has three alleles and...

    Text Solution

    |