Home
Class 12
BIOLOGY
Precentage of recessive phenotype in a c...

Precentage of recessive phenotype in a cross between two hybrid is :

A

0.25

B

0.5

C

0.75

D

1

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • COMMON PROBLEMS AND ADOLESCENCE

    MODERN PUBLICATION|Exercise EXERCISE|55 Videos
  • HUMAN HEALTH ABD DISEASES

    MODERN PUBLICATION|Exercise EXERCISE|80 Videos

Similar Questions

Explore conceptually related problems

Test cross is a cross between :

Test cross is a cross between :

Read the given statements and select the correct option Statement 1 : Test cross is used to determine an unknown genotype within one breeding generation Statement 2 : Test cross is a cross between F_(1) hybrid and dominant parent.

In an organism, tall phenotype is dominant over recessive dwarf phenotype, and the alleles are designated as T and t respectively. Upon crossing two different individuals, total 250 offsprings were obtained, out of which 125 displayed tall phenotype and rest were dwarf. Thus, the genotype of the parents were

The phenotypic ratio in the F_2 generation of dihybrid cross is :

MODERN PUBLICATION-HEREDITY AND VARIATION-EXERCISE
  1. A cross between AaBB x aaBB produces the offspring with genotypes :

    Text Solution

    |

  2. An allele is said to be dominant if it is expressed in :

    Text Solution

    |

  3. Precentage of recessive phenotype in a cross between two hybrid is :

    Text Solution

    |

  4. What will be the percentage of the tall plants with red flower in a cr...

    Text Solution

    |

  5. In humans polygenes are responsible for

    Text Solution

    |

  6. An F2 genotypic ratio of 1:4:6:4:1 instead of 9:3:3:1 indicates :

    Text Solution

    |

  7. Fill in the blank: Organisms phenotypically similar and but genotypica...

    Text Solution

    |

  8. In order to find out the different types of gametes produced by a pea ...

    Text Solution

    |

  9. Which of the following is most suitable medium for culture of Drosophi...

    Text Solution

    |

  10. In mendel's experiments with garden pea , round seed shape (RR) was d...

    Text Solution

    |

  11. Which one of the following pairs of features is a good example of pol...

    Text Solution

    |

  12. Mating of an organism to a double recessive in order to determine whet...

    Text Solution

    |

  13. Two pea plants were subjected for cross pollination . Of the 183 plant...

    Text Solution

    |

  14. The F2 generation offspring in a plant showing incomplete dominance ex...

    Text Solution

    |

  15. Discontinuous variations are :

    Text Solution

    |

  16. When a hybrid tall pea plant is cross fertilized with a dwarf pea plan...

    Text Solution

    |

  17. Law of segregation explains expression of recessive characters in :

    Text Solution

    |

  18. A cross between a organism with dominant phenotype and a homozygous re...

    Text Solution

    |

  19. After a cross of tall plant and dwarf plant,in F1 generation ratio of ...

    Text Solution

    |

  20. A pair of contrasting characteristics is called :

    Text Solution

    |