Home
Class 12
BIOLOGY
grain clour in wheat isdetermined by thr...

grain clour in wheat isdetermined by three pairs if polygenes. Following the cross AABBCC (dark colour) `xx` aabbcc (light colour), in `F_(2)` generation what proportion of the progeny likely to resemble either parent

A

Half

B

Less than 5 per cent

C

One third

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PRINCIPLES OF INHERITANCE AND VARIATION

    MODERN PUBLICATION|Exercise REVISION EXERCISES (VERY SHORT ANSWER TYPE QUESTIONS) (A. QUESTIONS FROM STATE BOARD EXAMINATIONS:)|39 Videos

  • PRINCIPLES OF INHERITANCE AND VARIATION

    MODERN PUBLICATION|Exercise REVISION EXERCISES (VERY SHORT ANSWER TYPE QUESTIONS) (B. QUESTIONS FROM CBSE EXAMINATIONS:)|13 Videos

  • PRINCIPLES OF INHERITANCE AND VARIATION

    MODERN PUBLICATION|Exercise MEMORY TEST (C.CHOOSE THE CORRECT ALTERNATIVE)|6 Videos

  • ORGANISMS AND POPULATIONS

    MODERN PUBLICATION|Exercise Chapter Practice Test (Section - E)|2 Videos

  • REPRODUCTION IN ORGANISMS

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST (SECTION - C)|3 Videos

Similar Questions

Explore conceptually related problems

Grain colourr in wheat is determined by 3 pairs of polygenes. A cross between AABBCC x aabbcc will produce progeny in F_(2) in what proportion that is likely to resemble either parent.

Grain colour of wheat is determined by three pairs of polygenes. What proportion of F_(2) progeny will resemble either parents following a cross of AABBCC (dark colour) with aabbcc (light colour).

In the cross YYRR xx yyrr, the number of green coloured seeds in F_(2) generation is

How many different types of gametes can be formed by "F"_(1) progeny resulting from the following cross? AABBCC xx aabbcc

In human beings, where genotype AABBCC represents dark skin colour, aabbcc represents light skin colour and AaBbCc represents intermediate skin colour, the pattern of genetic inheritance can be termed as: a) Pleiotropy and codominance b) Pleiotropy and incomplete dominance c) Polygenic and qualitative inheritance d) Polygenic and quantitative inheritance

When a red grain variety of wheat is crossed with another white grain vartiety F_(1) hybrid is produced. On selfing of this F_(1)- hybrid, how many offsprings of F_(2)- generation resemble phenotypically to it's parents (let grain colour of wheat controlled by three gene pairs )

In a plant three dominat independently assorting gene A, B and C are essential for production of purple pigment. If any of the genes or all three genes are present in recessive condition then flower is coloures Raw material overset(A) to X overset(B) to T overset(C) to Z pigment A purple lant with genotype AABBCC crossed with a colourless plant with genotype aabbcc gibes purple F_(1) what proportion of coloured offspring in F_(2) -

MODERN PUBLICATION-PRINCIPLES OF INHERITANCE AND VARIATION-REVISION EXERCISES (MULTIPLE CHOICE QUESTIONS)
  1. A woman with normal vision,but whose father was colour blind,marries a...

    Text Solution

    |

  2. Haemophilia is more commonly seen in human males than in human females...

    Text Solution

    |

  3. A woman with 47 chromosomes due to three copies of chromosome 21 is c...

    Text Solution

    |

  4. Barr body in mammals represent

    Text Solution

    |

  5. A dwarf pea plant was treated with gibberellic acid. It grows as a pur...

    Text Solution

    |

  6. Which of the following statements are true for complementary genes? ...

    Text Solution

    |

  7. Genetic counsellors can identify heterozygous individuals by

    Text Solution

    |

  8. Haemophilia is a:

    Text Solution

    |

  9. A marriage between normal visoned man and colourblind woman will produ...

    Text Solution

    |

  10. Rr rr progeny:Red (dominant)flowered heterozygous crossed with white f...

    Text Solution

    |

  11. Linkage group in E.coli is/are:

    Text Solution

    |

  12. Turner syndrome is

    Text Solution

    |

  13. A tall pea plant was grown in nutrient deficient soil and remained dwa...

    Text Solution

    |

  14. Down's syndrome is caused by an extra copy of chromosome number 21. Wh...

    Text Solution

    |

  15. grain clour in wheat isdetermined by three pairs if polygenes. Followi...

    Text Solution

    |

  16. Complete linkage is observed in:

    Text Solution

    |

  17. Which one of the following conditions in humans is correctly matched w...

    Text Solution

    |

  18. Haploids are more suitable for mutation studies than the diploids. Thi...

    Text Solution

    |

  19. Mutations that devoelop suddnely in nature are

    Text Solution

    |