Home
Class 12
BIOLOGY
A plant with red flowers was crossed wit...

A plant with red flowers was crossed with another plant with yellow flowers. If F1 showed all flowers orange in colour, explain the inheritance.

Text Solution

Verified by Experts

Incomplate dominance is the phenomenon where neither of the two alleles shows dominance thus producing intermediate hybrid between the expression of two alleles in homozygous state. In this case, a new phenotype in between the two original phenotype appears.
Promotional Banner

Topper's Solved these Questions

  • ORGANISMS AND POPULATIONS

    NCERT EXEMPLAR|Exercise Organisms And Populations|70 Videos

  • REPRODUCTION IN ORGANISMS

    NCERT EXEMPLAR|Exercise Reproduction In Organisms|49 Videos

Similar Questions

Explore conceptually related problems

A snapdragon plant with violet flowers was crossed with another such plant with white flowers. The F1 progeny obtained had pink flowers. Explain, in brief, the inheritance pattern seen in offsprings of F1 generation?

A plan with red coloured folowers is crossed with a plant having white fllowes. The red and white colour of the flower is controlled by a single gene. Red is domainan over white. The F1 progeny is self-pollinated and the flower colour in F2 is observed. Given the above information what is the expected phenotypic ratio of plants with different flower colours ?

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.

A true breeding plant producing red flowers is crossed with a pure plant producing white flowers. Allele for red colour of flower is dominant. After selfing the plants of first filial generation, the proportion of plants producing white flowers in the progeny would be:

A pea plant with purple flowers was crossed with white flowers producing all 50 plants with only purple flowers. On selfing, these plants produced 482 plants with purple flowers and 162 with white flowers. What genetic mechanism accounts for these results? Explain.

Assertion: A geneticist crossed a pea plant having violet flowers with a pea plant with white flowers, he got all violet flowers in first generation. Reason: White colour gene is not passed on to next generation.

When heterozygous red flowered plant is crossed with white flowered plant the progeny will show a ratio of

NCERT EXEMPLAR-PRINCIPLE OF INHERITANCE AND VARIATIONS -Principle Of Inheritance And Variations
  1. In a Mendelian monohybrid cross, the F(2)-generation shows identcal ge...

    Text Solution

    |

  2. Can a child have blood group 'O' if his parents have blood group 'A' a...

    Text Solution

    |

  3. What is Down's syndrome? Give its symotoms and cause. Why is it that t...

    Text Solution

    |

  4. How was it concluded that genes are located on chromosomes?

    Text Solution

    |

  5. A plant with red flowers was crossed with another plant with yellow fl...

    Text Solution

    |

  6. What are the characteristic features of a trur-breeding line?

    Text Solution

    |

  7. In peas, tellenss is dominate over dqarfness, and red colour of flower...

    Text Solution

    |

  8. Why is the frequency of red-green colourblindness is many times higher...

    Text Solution

    |

  9. If a father and son are both defective in red-greenn colour vision, is...

    Text Solution

    |

  10. Discuss why Drosophila has been used extensively for genetical studies...

    Text Solution

    |

  11. How do genes and chromosomes share similarity from the point of view o...

    Text Solution

    |

  12. What is recombination? Discuss the applications of recombination from ...

    Text Solution

    |

  13. What is artificial selection? Do you think it affects the process of n...

    Text Solution

    |

  14. With the help of an example differntiate between incomplete dominance ...

    Text Solution

    |

  15. It is said, that the harmful alleles get eliminated from population ov...

    Text Solution

    |

  16. In a plant tallenss is dominant over dwarfness and red flower is domin...

    Text Solution

    |

  17. (a) In humans, males are heterogametic and frmales are homogametic, Ex...

    Text Solution

    |

  18. A normal visioned woman, whose father is colour blind, marries a norma...

    Text Solution

    |

  19. Discuss in detail the contributions of Morgan and Sturvant in the area...

    Text Solution

    |

  20. Define aneuploidy. How is it different form polyploidy? Describe the i...

    Text Solution

    |