Home
Class 12
BIOLOGY
A cell at telophase stage is observed by...

A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in

A

polyploidy

B

somaclonal variation

C

polyteny

D

aneuploidy

Text Solution

Verified by Experts

The correct Answer is:
A

Polyploid cells have a chromosome number that is more than double the haploid number, e.g. Triticum aestivum (wheat) is a hexaploid (6n).
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

A cell at telophase stage is observed by a student in a plant brought from a field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell containing more number of chromosomes as compared to other dividing cells. This would result in

A cell al telphases stage is observed by a student in a plant brought from the filed. He tells his teacher that this cell is not like other cells at telophases stage. There is no foramation of cell plate an thus cell is containing more number of chormosomes as compared to other dividing cells. This would result in

In which stage of cell division, number of chromosomes best counted:-

The number of DNA in chromosome at G_(2) stage of cell cycle

The number of chromosomes in leaf tip cell of plant is 6. The number of choromosoms in each of the 4 cells of its pollen tetrad would be

A leaf cell of a flowering plant has 22 chromosomes. Then the number of chromosomes would be

If the number of chromosomes in endosperm of a dicot plant is 36 the root cells will contain

A cell has 24 chromosomes at the end of metaphase in mitosis. What will be the number of chromosomes and chromatids at each pole at the beginning of telophase?

Analyse the events during every stage of cell cycle and notice how the following two parameters change (i) Number of chromosomes (N) per cell (ii) Amount of DNA content (C) per cell Answer

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-PRINCIPLES OF INHERITANCE AND VARIATION -MCQ
  1. A disease caused by an autosomal primary non-disjunction is

    Text Solution

    |

  2. Which of the following most appropriately describes haemophilia?

    Text Solution

    |

  3. A cell at telophase stage is observed by a student in a plant brought ...

    Text Solution

    |

  4. Match the terms in column I with their description in column II and ch...

    Text Solution

    |

  5. In a test cross involving F(1) dihybrid flies, more parental-type offs...

    Text Solution

    |

  6. Pick out the correct statements. I. Haemophilia is a sex-linked rece...

    Text Solution

    |

  7. A tall true breeding garden pea plant is crossed with a dwarf true bre...

    Text Solution

    |

  8. If a colourblind man marries a woman who is homozygous for normal colo...

    Text Solution

    |

  9. A true breeding plant is

    Text Solution

    |

  10. The mechanism that causes a gene to move from one linkage group to ano...

    Text Solution

    |

  11. A gene showing codominance has

    Text Solution

    |

  12. The term ''linkage'' was coined by

    Text Solution

    |

  13. In the following human pedigree, the filled symbols represent the aff...

    Text Solution

    |

  14. A colour blind man marries a woman with normal sight who has no histor...

    Text Solution

    |

  15. In his classic experiments on pea plants, Mendel did not use

    Text Solution

    |

  16. A pleiotropic gene

    Text Solution

    |

  17. A man whose father was colour blind marries a woman who had a colour b...

    Text Solution

    |

  18. A human female with Turner's syndrome

    Text Solution

    |

  19. Fruit colour in squash is an example of

    Text Solution

    |

  20. Which of the following statements is not true of two genes that show 5...

    Text Solution

    |