Home
Class 12
BIOLOGY
The polytene chromosomes were discovered...

The polytene chromosomes were discovered for the first time in

A

Drosophila

B

Chironomus

C

Musca nebulo

D

Musca domestica

Text Solution

Verified by Experts

The correct Answer is:
B

Polytene chromosomes were first time discovered by the Italian cytologist EG Balbiani (1881) in the salivary gland cells of Chironomus larva.
Promotional Banner

Topper's Solved these Questions

  • PLANT KINGDOM

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise MCQ|107 Videos
  • RE-NEET 2020

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise All Questions|90 Videos

Similar Questions

Explore conceptually related problems

Polytene chromosomes were discovered in

Enzymes were discovered for the first time in

In which of the following the sex chromosome were discovered for the first time in plants?

XY sex chromosomes were discovered by

Oxysomes were discovered by

X-chromosome was discovered by

XY sex chromosomes were discovered by :

The virus discovered for the first time was

Polytene chromosomes were first observed by

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-PRINCIPLES OF INHERITANCE AND VARIATION -MCQ
  1. An individual exhibiting both male and female sexual characteristics i...

    Text Solution

    |

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

    Text Solution

    |

  3. The polytene chromosomes were discovered for the first time in

    Text Solution

    |

  4. When two genetic loci produce identical phenotypes in cis as well as i...

    Text Solution

    |

  5. In a dihybrid cross AABB xx aabb, "F"(2) progeny of AABB, AABb, AaBB a...

    Text Solution

    |

  6. A cross between pure tall Pea plant with green pods and dwarf Pea Plan...

    Text Solution

    |

  7. Out of A-T,G-C pairing bases of DNA may exist in alternate valencyt st...

    Text Solution

    |

  8. A colourblind woman marries a normal visioned male. In the offspring

    Text Solution

    |

  9. Genes located on Y-chromosome are

    Text Solution

    |

  10. A woman with albinic father marries an albinic man. The proportion of ...

    Text Solution

    |

  11. A child of blood group 'O' cannot have parents of blood groups:

    Text Solution

    |

  12. Which of the following is suitable for experiment on linkage ?

    Text Solution

    |

  13. Two dominant non-allelic genes are 50 map units apart.The linkage is

    Text Solution

    |

  14. Medel studied inheritance of seven pairs of traits in pea which can ha...

    Text Solution

    |

  15. Of both normal parents, the chance of a male child becoming colour bli...

    Text Solution

    |

  16. Mr kapoor has Bb autosomal gene pair and d allele sex linked.What shal...

    Text Solution

    |

  17. Sex is determined in human beings

    Text Solution

    |

  18. Of a normal couple half the sons are haemophiliac while half the diugh...

    Text Solution

    |

  19. A polygenic inheritance in human beings is

    Text Solution

    |

  20. In human being ,45 chromosomes (44+ XO) cause:

    Text Solution

    |