Home
Class 12
BIOLOGY
Two nonallelic genes produces the new ph...

Two nonallelic genes produces the new phenotype when present together but fail to do so independently then it is called : -

A

epistasis

B

polygene

C

non-complementay gene

D

complementary gene

Text Solution

Verified by Experts

The correct Answer is:
D
In complementary genes, two separate pair of genes interact to produce the phenotype in such a way that neither of the dominant genes is expressive unless the other one is absent.
Promotional Banner

Topper's Solved these Questions

  • PLANT KINGDOM

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise MCQ|107 Videos

  • RE-NEET 2020

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise All Questions|90 Videos

Similar Questions

Explore conceptually related problems

When two independentaly assorting dominant genes interact whth each other to produce perticular phenotype but when they present alone they did not produce phenotype they are called :-

If dominant alleles of two gene loci produce the same phenotype whethe separately or together. It will be

When two independentaly assorting dominant genes interact with each other to produce particular phenotype but when they present alone they did not produce phenotype they are called

When both alleles express their effect on being present together, the phenomenon is called

Genes or alleles which can express independently when they are present together and also follow the law of segregation are -

Why do two ice blocks join to form one block when pressed together

Genes have similar phenotypic effect when present separately but interact to produce new phenotype when present together are called epistatic gene.

When two different genotype produce the same phenotype due to environmental difference, then each one is known as :-

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-PRINCIPLES OF INHERITANCE AND VARIATION -MCQ
  1. Number of Barr bodies in XXXX female would be

    Text Solution

    |

  2. Male XX and female XY sometime occur due to :

    Text Solution

    |

  3. Two nonallelic genes produces the new phenotype when present together ...

    Text Solution

    |

  4. A and B genes are linked. What shall be the genotype of progeny in a c...

    Text Solution

    |

  5. Ratio of complementary genes is

    Text Solution

    |

  6. During organ differentiation in Drosophila, an organ is modified to an...

    Text Solution

    |

  7. Drosophila flies with XXY genotype are females, but human beings with ...

    Text Solution

    |

  8. Mutation generally produces

    Text Solution

    |

  9. Which one of the following characters studied by Mendel in garden pea ...

    Text Solution

    |

  10. Hybridisation between Tt xx tt gives rise to the progeny of ratio

    Text Solution

    |

  11. Haemophilic man marries a normal woman. Their offspring will be

    Text Solution

    |

  12. Which of the following is the main category of mutation?

    Text Solution

    |

  13. A woman with two gases (one on each X-chromosome) for haemophilia and ...

    Text Solution

    |

  14. Albinism is known to be due to an autosomal recessive mutation. The fi...

    Text Solution

    |

  15. Crossing over in diploid organism is responsible for

    Text Solution

    |

  16. How many types of genetically different gametes will be produced by a ...

    Text Solution

    |

  17. Mental retardation in man, associated with sex chromosomal abnormality...

    Text Solution

    |

  18. Which base is responsible for hotspots for spontaneous point mutations...

    Text Solution

    |

  19. If Mandel had studied 7 traits using a plant with 12 chromosomes inste...

    Text Solution

    |

  20. When a single gene influences more then one trait it is called

    Text Solution

    |