Home
Class 12
BIOLOGY
In the hexaploid wheat, the haploid (n) ...

In the hexaploid wheat, the haploid (n) and basic (x) numbers of chromosomes are

A

n=21 & X=14

B

n=21 & X=7

C

n=7 & X=21

D

n=21 & X=21

Text Solution

Verified by Experts

The correct Answer is:
B

Haploid (n) is half of the ploidy level. Monoploid (X) is basic number of chromosome.
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

In plants maximum number of chromosomes (2n=1262) are found in

In an organism, 4n=100. the haploid and monoploid number of chromosomes in this organism will be

Best stage to observe shape, size and number of chromosomes is

In which one of the following combinations (1-4) of the number of chromosomes is the present day hexaploid wheat correctly represented ?

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.

If number of chromosomes in root cell of male plant is 40 and in leaf cell of female plant is 60, what will be number of chromosomes in their endosperm ?

The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of choromosomes in the microspore mother cells of the same plant shall be:

What are chromosomes? Explain how in sexually reproducing organisms the number of chromosomes in the progeny is maintained.

TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. Match list I with list II and select the correct answer using the code...

    Text Solution

    |

  2. Telemere repetitive DNA sequences control the function of eukarote chr...

    Text Solution

    |

  3. In the hexaploid wheat, the haploid (n) and basic (x) numbers of chrom...

    Text Solution

    |

  4. Molecular basis of organ differentiation depends on the modulation in ...

    Text Solution

    |

  5. A sequential expression of a set of human genes occurs when a steroid ...

    Text Solution

    |

  6. Grain colourr in wheat is determined by 3 pairs of polygenes. A cross ...

    Text Solution

    |

  7. Match list-I with list-II and select the correct answer using the code...

    Text Solution

    |

  8. Match list-I (structural) with list-II (name) and select the correct a...

    Text Solution

    |

  9. Heterochromatinisation takes place

    Text Solution

    |

  10. Match list-I with list-II and select the correct answer using the code...

    Text Solution

    |

  11. Match list-I with list-II and select the correct answer using the code...

    Text Solution

    |

  12. Persons carrying the dominant gene(s) can taste a particular chemical ...

    Text Solution

    |

  13. A man and a woman, each carries a mutant allele for phenylketoneuria, ...

    Text Solution

    |

  14. Match List I with List II and select the correct answer using the code...

    Text Solution

    |

  15. Expression of a recessive phenotype in a deletion heterozygote is due ...

    Text Solution

    |

  16. If two loci are 10 map units apart, assuming that no multiple cross-oe...

    Text Solution

    |

  17. Identify the correct number of gametes, genotypes and phenotypes respe...

    Text Solution

    |

  18. Natural selection can eliminate a deleterious allele, arising out of m...

    Text Solution

    |

  19. In Mirabilis, red flowered plant crossed with white flowered one resul...

    Text Solution

    |

  20. A female rat homozygous for a recessive X-linked mutation is mated to ...

    Text Solution

    |