Home
Class 12
BIOLOGY
When both parental alleles are expressed...

When both parental alleles are expressed together it is called .

A

Dominance

B

Codominance

C

Pseudodominace

D

Amphidominance

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GENETIC BASIS OF INHERITANCE

    DINESH PUBLICATION ENGLISH|Exercise Check your Grasp|30 Videos

  • GENETIC BASIS OF INHERITANCE

    DINESH PUBLICATION ENGLISH|Exercise Check your Grasp|30 Videos

  • FRUIT AND SEED DISPERSAL

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|10 Videos

  • GROWTH, REPAIR, REGENERATION AND AGEING

    DINESH PUBLICATION ENGLISH|Exercise Brain Teasers-VI[B]|6 Videos

Similar Questions

Explore conceptually related problems

When dominant and recessive alleles express themselves together, it is called

A recessive allele is expressed in

Assertion : At F_(2) stage in monohybrid cross, both parental traits are expressed in the proportion of 3:1 Reason : The contrasting parental traits show blending at F_(2) stage

Assertion : ABO blood group system provides a good example of multiple alleles Reason : In ABO blood group system, when I^(A) and I^(B) alleles are present together, they both express their own types

Assertion :- According to Mendelism, contrasting traits did not show any blending. Reason :- Only one of the parental traits was expressed in the F(1) while at the F_(2) stage both the traits were expressed in the proportion of 1:1

An enzyme made of both protein and non-protein part is together called

When both alleles of a pair are fully expressed in heterozygotes, they are called

Both alleles express in heterozygote when they are

When a plant have two alleles of contrasting characters it is called :-

Assertion :- The segregation of alleles in a random process and so there is a 50% chance of a gamete containing either allele. Reason :- By the process of mitosis, the alleles of the parental pair separtes from each other & only one allele in transmitted to a gamete.

DINESH PUBLICATION ENGLISH-GENETIC BASIS OF INHERITANCE-Revision Questions From Competitive Exams
  1. Independent assortment of genes does not take place when

    Text Solution

    |

  2. In pea, wrinkling of seeds is due to nonformation of starch because of...

    Text Solution

    |

  3. When both parental alleles are expressed together it is called .

    Text Solution

    |

  4. In complementary genes, the dihybrid ratio of 9:3:3:1 is modified to

    Text Solution

    |

  5. On crossing two similar hybrids, the percentage of recessive is

    Text Solution

    |

  6. Number of genotype found in F(2) progeny of a dihybrid cross is

    Text Solution

    |

  7. Heterozygous tall (Tt) is crossed with homozygous tall (TT). Percentag...

    Text Solution

    |

  8. Pleiotropic effect is found in

    Text Solution

    |

  9. Which of the following cross determines heterozygosity or homozogosity...

    Text Solution

    |

  10. Tt xx tt is

    Text Solution

    |

  11. In sickle cell anaemia, there is change in amino acid in beta chain at...

    Text Solution

    |

  12. Which is wrong about Mendel ?

    Text Solution

    |

  13. Blood group of a couple are AB and O. The possible blood group of chi...

    Text Solution

    |

  14. Who amongst the following scientist rediscovered Mendel's work ? (a) T...

    Text Solution

    |

  15. Dihybrid cross is made between RRYY (yellow round seed) and yyrr (wrin...

    Text Solution

    |

  16. Biometric genetics is connected with (a) Effect of radiation on living...

    Text Solution

    |

  17. In Mirabilis jalapa, RR, Rr and rr determine red , pink and white colo...

    Text Solution

    |

  18. Sexual reproduction brings about

    Text Solution

    |

  19. Alleles are

    Text Solution

    |

  20. Law of Mendel which is not completely applicable

    Text Solution

    |