Home
Class 12
BIOLOGY
When tall and dwarf plants are crossed ,...

When tall and dwarf plants are crossed , from which cross `1 : 1` ratio is obtained ?

A

Tt and tt

B

tt and tt

C

Tt and Tt

D

TT and Tt

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • HEALTH &DISEASE

    USHA PUBLICATION|Exercise EXERCISE|73 Videos

  • HUMAN REPRODUCTION

    USHA PUBLICATION|Exercise EXERCISE|173 Videos

Similar Questions

Explore conceptually related problems

A pure tall and a pure dwarf plant were crossed to produced offsprings . Offsprings were self crossed then find out the ratio between true breeding tall to true breeding dwarf ?

Genetically dwarf plants can be induced to grow tall by using:

During a monohybrid cross involving a tall pea plant with a dwarf pea plant, the offspring populations were tall and dwarf in equal ratio . Workout a cross to show how it is possible

Pure tall plants are crossed with pure dwarf plants . In the F_1 - generation , all plants were tall . These tall plants of F_1 -generation were selfed and the ratio of tall to dwarf plants obtained was 3 : 1 . This is called :

When a tall plant with round seeds ( TTRR ) crossed with a dwarf plant with wrinkled seeds ( ttrr ) , the F_1 generation consists of tall plant with round seeds . What would be the proportion of dwarf plant with wrinkled seeds in F_1 -generation ?

When tall pea plants were selfed, some of the offsprings were dwarf. Explain with the help of a Punnett square.

In a dihybrid cross , F_2 ratio of 15 : 1 is due to :

When a hybrid tall pea plant is cross fertilized with a dwarf pea plant , the ratio of tall is to dwarf plants grown from the seeds will be :

USHA PUBLICATION-HEREDITY & VARIATION -EXERCISE
  1. In a monohybrid cross involving incomplete dominance , the phenotypic ...

    Text Solution

    |

  2. How many different kinds of gametes will be produced by a plant having...

    Text Solution

    |

  3. When tall and dwarf plants are crossed , from which cross 1 : 1 ratio ...

    Text Solution

    |

  4. In Mirabilis , a hybrid for red ( RR ) and white ( rr ) flower produce...

    Text Solution

    |

  5. Ratio of progeny , when a red coloured heterozygote is crossed with a ...

    Text Solution

    |

  6. Two pea plants were subjected for cross pollination . Of the 183 plant...

    Text Solution

    |

  7. The total number of progeny obtained from a dihybrid cross is 1280 in ...

    Text Solution

    |

  8. What type of gametes will form by genotype RrYy ?

    Text Solution

    |

  9. Pure tall plants are crossed with pure dwarf plants . In the F1 - gene...

    Text Solution

    |

  10. The term linkage was coined by

    Text Solution

    |

  11. Crossing over is advantageous because it brings about

    Text Solution

    |

  12. Law of Mendel , which is not completely applicable is ?

    Text Solution

    |

  13. If a plant having yellow and round seeds was crossed with another plan...

    Text Solution

    |

  14. The 1 : 2 : 1 ratio with the pink flower in the F2 generation indicate...

    Text Solution

    |

  15. Probability of genotype TTrr in F2 - generation of a dihybrid cross is...

    Text Solution

    |

  16. Which one of the following was rediscoverer of Mendel's work :

    Text Solution

    |

  17. How many different types of gametes can be formed by F1 progeny , resu...

    Text Solution

    |

  18. What will be the gametic chromosome number of a cell , if somatic cell...

    Text Solution

    |

  19. An F2 genotypic ratio of 1:4:6:4:1 instead of 9:3:3:1 indicates :

    Text Solution

    |

  20. Which law Mendel would not have proposed , if the phenomenon of linkag...

    Text Solution

    |