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

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|91 Videos

  • Protista

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|6 Videos

Similar Questions

Explore conceptually related problems

Leptotene chromosomes have

In prophase, chromosomes shorten and thicken due to

Ozone layer in the stratosphere becomes thinner due to the release of CFCs. Give a scientific reason for this .

Food items on exposure to atmosphere become rancid due to the process of : (i) oxidation (ii) reduction (iii) corrosion (iv) hydrogenation

[A]: The process of speciation occurs only in allopatric populations. [R]: The sympatric species can arise either due to changes in the chromosome number or due to introgressive hybridization and poly- ploidy.

Name any two species which have become extinct due to over exploitation.

Metacentric chromosomes have

An abnormal human baby with XXX sex chromosomes was born due to

In Zygotene, homologous chromosomes undergo pairing to form bivalent having 2 homologous chromosomes. These 2 chromosomes are attached laterally due to

TRUEMAN BIOLOGY-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. ABO blood group was discovered by Landsteiner in the year

    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

    |