Home
Class 12
BIOLOGY
A sweet pea plant with blue flowers and ...

A sweet pea plant with blue flowers and long pollens is test crossed. The progeny contains 300 plants with blue flowers and long pollens, 295 plants with red flower and round pollens, 80 plants with blue flower and round pollen and 85 plants with red flower and long pollens. This result is due to

A

linkage

B

segregation

C

independent assortment

D

linkage and crossing over

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • Plant Physiology

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|91 Videos

  • Protista

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|5 Videos

Similar Questions

Explore conceptually related problems

Long day plants fail to flower by

In Lathyrus odoratus, hybrid blue flowered and long pollen plant is test crosses with homozygous recessive red flowered and round pollen plant then how many parental types are obtained when genes are present in cis stage in parents ?

The plants with flowers having strong odour abundant nectar and pollen grain show

Tall pea plant with red flower crossed to dwarf with white flower yields only tall red plants. A test cross shall give a ratio of:

When blue flower with long pollen plant (BBLL) was crossed with red flowered with round pollen plant (bbll) in Lathyrus and their F_(1) was red round parent, then what is the ratio of blue long and red round obtained in this cross ?

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

In a flowering plant the pollen tube first arrivs in

TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. In m aize, hybrid vigour is exploited by

    Text Solution

    |

  2. A human male produces sperms with the genotypes AB, Ab, aB, and ab per...

    Text Solution

    |

  3. A sweet pea plant with blue flowers and long pollens is test crossed. ...

    Text Solution

    |

  4. Telemere repetitive DNA sequences control the function of eukarote chr...

    Text Solution

    |

  5. In the hexaploid wheat, the haploid (n) and basic (x) numbers of chrom...

    Text Solution

    |

  6. Molecular basis of organ differentiation depends on the modulation in ...

    Text Solution

    |

  7. A sequential expression of a set of human genes occurs when a steroid ...

    Text Solution

    |

  8. Grain colourr in wheat is determined by 3 pairs of polygenes. A cross ...

    Text Solution

    |

  9. Heterochromatinisation takes place

    Text Solution

    |

  10. Match list-I with list-II and select the correct answer using the code...

    Text Solution

    |

  11. Persons carrying the dominant gene(s) can taste a particular chemical ...

    Text Solution

    |

  12. A man and a woman, each carries a mutant allele for phenylketoneuria, ...

    Text Solution

    |

  13. Expression of a recessive phenotype in a deletion heterozygote is due ...

    Text Solution

    |

  14. If two loci are 10 map units apart, assuming that no multiple cross-oe...

    Text Solution

    |

  15. Identify the correct number of gametes, genotypes and phenotypes respe...

    Text Solution

    |

  16. Natural selection can eliminate a deleterious allele, arising out of m...

    Text Solution

    |

  17. In Mirabilis, red flowered plant crossed with white flowered one resul...

    Text Solution

    |

  18. A female rat homozygous for a recessive X-linked mutation is mated to ...

    Text Solution

    |

  19. Erythroblastosis foetalis is caused when

    Text Solution

    |

  20. In Drosophilia the XXY condition leads to femaleness whereas in human ...

    Text Solution

    |