Home
Class 12
BIOLOGY
In Antirrhinum, RR is phenotypically red...

In Antirrhinum, RR is phenotypically red flowers, rr is white and Rr is pink. Select the correct phenotypic ratio in F1 generation when a cross is performed between RR X Rr:

A

1 red: 2 Pink: 1 white

B

2 Pink: 1 white

C

2 Red: 2 Pink

D

All Pink

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2022

    CBSE MODEL PAPER|Exercise SECTION - C|12 Videos
  • SAMPLE PAPER 2022

    CBSE MODEL PAPER|Exercise Questions in lieu of diagram based questions for VI candidates (Section - A) |5 Videos
  • SAMPLE PAPER 2022

    CBSE MODEL PAPER|Exercise Questions in lieu of diagram based questions for VI candidates (Section - C) |11 Videos
  • PRACTICE PAPER 2022

    CBSE MODEL PAPER|Exercise MULTIPLE CHOICE QUESTION |60 Videos
  • SAMPLE PAPER 2022 TERM II

    CBSE MODEL PAPER|Exercise SECTION C|2 Videos

Similar Questions

Explore conceptually related problems

When a pink flowered Antirrhinum plant is test crossed, then phenotypic ratio in resulting progenies is

If in a garden pea plant , cross is made between red flowered and white flowered plants . What will be the phenotypic ratio in F_(2) generation

In Antirrhinum (dog flower), phenotypic ratio in F_(2) generation for the inheritance of flower colour would be

When a cross is made between white and pink flowered Antirrhinum plants what phenotypic ratio is obtained in the resulting generation ?

In a cross between red kernelled and white kernelled varieties of wheat showing polygenic inheritance, the phenotypic ratio in F_(2) generation will be ……. .

In Mirabilis/Antirrhinum, hybrid between red and white flowered plants is pink flowered. This is

A white flowered mirabilis plant rr was vrossed with red coloure RR, If 120 plants produced in F_(2) generation. The result would be

In Antirrhinum (Snapdragon), a red flower was crossed with a-white flower and in F_1 generation pink flowers were obtained. When pink flower were selfed, the F_2 generation showed white,red and pink flowers. Choose the incorrect statemes from the following :

Apant of Antirrhinum majus with red flowers was crossed with another plant of the same species with white flowers. The plants of the F_(1) generation bore pink flowers . Explain the patttern o inheritance with the help of a cross.

CBSE MODEL PAPER-SAMPLE PAPER 2022-SECTION - B
  1. Concentration of which of the following substances will decrease in th...

    Text Solution

    |

  2. In a fertilized ovule, n, 2n and 3n conditions occur respectively in

    Text Solution

    |

  3. A botanist studying Viola (common pansy) noticed that one of the two f...

    Text Solution

    |

  4. During parturition, a pregnant woman is having prolonged labour pains ...

    Text Solution

    |

  5. A female undergoing IVF treatment has blocked fallopian tubes. The tec...

    Text Solution

    |

  6. The mode of action of the copper ions in an IUD is to

    Text Solution

    |

  7. To produce 400 seeds, the number of meiotic divisions required will be

    Text Solution

    |

  8. A cross is made between tall pea plants having green pods and dwarf pe...

    Text Solution

    |

  9. In Antirrhinum, RR is phenotypically red flowers, rr is white and Rr i...

    Text Solution

    |

  10. What would be the genotype of the parents if the offspring have the ph...

    Text Solution

    |

  11. What is the pattern of inheritance in the above pedigree chart?

    Text Solution

    |

  12. A couple has two daughters. What is the probability that the third chi...

    Text Solution

    |

  13. Genotypic ratio of 1:2:1 is obtained in a cross between

    Text Solution

    |

  14. Total number of nucleotide sequences of DNA that codes for a hormone i...

    Text Solution

    |

  15. A stretch of an euchromatin has 200 nucleosomes. How many bp will ther...

    Text Solution

    |

  16. Observe structures A and B given below. Which of the following stateme...

    Text Solution

    |

  17. If Meselson and Stahl's experiment is continued for sixth generations ...

    Text Solution

    |

  18. Two important RNA processing events lead to specialized end sequences ...

    Text Solution

    |

  19. What are minisatellites?

    Text Solution

    |

  20. There was a mix-up at the hospital after a fire accident in the nurser...

    Text Solution

    |