Home
Class 12
BIOLOGY
When tow unrelated individuals or lines ...

When tow unrelated individuals or lines are crossed the performance of `F_(1)` hybrid is often superior to both its parents this phenomenon is called

A

Metamorphosis

B

Heterosis

C

Transformation

D

Spheing

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - D)|10 Videos
  • STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - B)|35 Videos
  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION D)|20 Videos
  • STRUCTURAL ORGANISATION IN ANIMALS ( ANIMAL TISSUES )

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-D)|20 Videos

Similar Questions

Explore conceptually related problems

When two unrelated individuals or lines are crossed, the performance of F_(1) hybrids is often superior to both its parents. The phenomenon is called

When two unrelated individuals or lines are crossed, the performance of F_(1) hybrids is often superior to both its parents. The phenomenon is called

When two unrelated individuals or lines are crossed, the perfomance of "F"_(1) hybrid is often superior to both its parents. This phenomenon is called:

Production of superior F_(1) hybrids is called

A cross between F_(1) hybrid and recessive parent gives a ratio of

Cross between recessive parent and F_(1) hybrid is called :

When an "F"_(1) individual is crossed with its either of the two parents, the cross is known as:

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 )

A cross between F_(1) hybrid and its homozygous recessive parent is called

A cross between F_(1) hybrid and its homozygous recessive parent is called

AAKASH INSTITUTE ENGLISH-STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION-Assignment (Section - C)
  1. An important step in the manufacture of pulp in paper industry from wo...

    Text Solution

    |

  2. Which of the following is generally used for induced mutagenesis in cr...

    Text Solution

    |

  3. Which statement is correct about center of origin of plants?

    Text Solution

    |

  4. When tow unrelated individuals or lines are crossed the performance of...

    Text Solution

    |

  5. Which of the following is the New World spice, that has become an es...

    Text Solution

    |

  6. The reason why vegetaitively reproducing crop plants are best suited f...

    Text Solution

    |

  7. The new varieties of plants are produced by

    Text Solution

    |

  8. Before the European invaders which vegetable was/were absent in india?

    Text Solution

    |

  9. which of the following crops have been rought to india form new world ...

    Text Solution

    |

  10. Germplasm collection is the collection of

    Text Solution

    |

  11. Bacterial leaf blight of Rice is caused by

    Text Solution

    |

  12. Introduction of food plants developed by gentic engineering is not des...

    Text Solution

    |

  13. Which one of the following plants are used as green manure in crop fie...

    Text Solution

    |

  14. Nicotiana sylvestris flowers only during long days and N.tobacum flowe...

    Text Solution

    |

  15. Which of the following statement is not true about somatic embryogenes...

    Text Solution

    |

  16. Tissue culture technique can produce infinite number of new plants fro...

    Text Solution

    |

  17. Cellular totipotency is demonstrated by :-

    Text Solution

    |

  18. In tissue culture medium, the embryoids formed from pollen grains is d...

    Text Solution

    |

  19. The technique of obtaining large number plantelts by tissue culture me...

    Text Solution

    |

  20. A plant hormone used for inducing morphogensis in plant tissue culture...

    Text Solution

    |