Home
Class 12
BIOLOGY
if a chiasma forms between the loci of g...

if a chiasma forms between the loci of genes A and B in in 20% of the tetrads of gametes expected to be Ab is:

A

5

B

10

C

20

D

40

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CHROMOSOMAL BASIS OF INHERITANCE

    GRB PUBLICATION|Exercise NEUROSPORA genetics|24 Videos
  • BIOTECHNOLOGY : PRINCIPLES AND PROCESSES

    GRB PUBLICATION|Exercise Exemplar Problems|33 Videos
  • ECOSYSTEM

    GRB PUBLICATION|Exercise EXEMPLAR PROBLEMS|41 Videos

Similar Questions

Explore conceptually related problems

If 20% of A = 50% of B, then what per cent of A is B?

The genetic distance between genes A and B is 10 cm. An organism with Ab combination of the alleles is crossed with the organism with aB combination of alleles. What will be the percentage of the gametes with AB alleles combinatory by an F1 individual ?

write 20% as the ratio in the reduce form.

GRB PUBLICATION-CHROMOSOMAL BASIS OF INHERITANCE-Chromosome mapping
  1. Percentage of recombination between A and B is 9% and C is 17%. B and ...

    Text Solution

    |

  2. An indivisual with cd genes was crossed with type ++ On the crossing f...

    Text Solution

    |

  3. if a chiasma forms between the loci of genes A and B in in 20% of the ...

    Text Solution

    |

  4. in a cross between genotype AB and ++ ,650 out of 1000 individuls were...

    Text Solution

    |

  5. Percentage of recombination between A and B is 9% and C is 17%. B and ...

    Text Solution

    |

  6. the map distance between gennes A and B is 3 units ,between B and C 10...

    Text Solution

    |

  7. the cross over percentage between linked genes J and M is 20 % J and L...

    Text Solution

    |

  8. there are there genes A,B and C percenatage of crossing over between A...

    Text Solution

    |

  9. The linkage map of X-chromosome of fruit fly has 66 units with yellow ...

    Text Solution

    |

  10. chromosomes in a bacterial cell can be 1-3 in number and :

    Text Solution

    |

  11. Chromosome were first seen by

    Text Solution

    |

  12. The term' chromosomes were first observed in the plant :

    Text Solution

    |

  13. the chromosomes were first observed I the plant :

    Text Solution

    |

  14. Smallest chromosomes (size 0.0025mhu m) are found in algae . Alsgest...

    Text Solution

    |

  15. The longest chromosome is seen in :

    Text Solution

    |

  16. Centromere is a part o f:

    Text Solution

    |

  17. The scientific term not related to the primary conastriction of a ch r...

    Text Solution

    |

  18. the function of centrosomes

    Text Solution

    |

  19. Each cromosome carries a distinct region which plays an important role...

    Text Solution

    |

  20. Each chromosome pair has a distinct morphology with regard to :

    Text Solution

    |