Home
Class 12
BIOLOGY
A modified dihybrid mendelian ratio of 9...

A modified dihybrid mendelian ratio of 9:3:4 shows

A

supplementary genes

B

complementary genes

C

lethal genes

D

duplicate

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • Plant Physiology

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|91 Videos
  • Protista

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|6 Videos

Similar Questions

Explore conceptually related problems

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

Find the ratio of : 9m to 27cm

A trihybrid ratio of 27:9:9:9:3:3:3:1 is obtained because of

In the F_2 generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are :

Mention the dihybrid test cross ratio.

In a dihybrid test cross the genotypic ratio of the progeny is

In Youngs double slit experiment if the slit widths are in the ratio of 1 : 9 , the ratio of intensity at the maximum to that at the minimum will be :

The coupling and repulsion theory of Bateson and Punnett later on modified linkage and crossing over by Morgan. Two completely linked genes show a dihybrid ratio of

In a Mendelian monohybrid cross the F_2 generation shows identical genotypic and phenotypic ratios. What does it tell us about the nature of alleles involved? Justify your answer.

The radii of two right circular cylinders area in the ratio of 2:3 and their heights are in the ratio of 5:4 . Calculate the ratio of their curved surface areas and ratio of their volumes.

TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. 12:3:1 ratio is due to which type of gene interaction

    Text Solution

    |

  2. Selection will not eliminate a lethal recessive gene from a large popu...

    Text Solution

    |

  3. A modified dihybrid mendelian ratio of 9:3:4 shows

    Text Solution

    |

  4. Failure of one gene to express it in the presence of a non-allelic gen...

    Text Solution

    |

  5. If a negro marries a white skin female, the mulattoes are born.if such...

    Text Solution

    |

  6. Wife is PTC nontaster and husband is PTC taster. Their son is taster b...

    Text Solution

    |

  7. Predict from the following chart

    Text Solution

    |

  8. In the following pedigree chart, the mutant trait is shaded black. The...

    Text Solution

    |

  9. In the given pedigree, what the shaded symbols indicate

    Text Solution

    |

  10. From the pedigree of a family given below, it is clear that trait is i...

    Text Solution

    |

  11. In a family, father had a trait but mother did not. All their sons and...

    Text Solution

    |

  12. Which gene is connected with multiple phenotypes?

    Text Solution

    |

  13. If both parents are albino, all the offspring shall be

    Text Solution

    |

  14. Albinism is due to nonsynthesis (absence) of melanin on account of abs...

    Text Solution

    |

  15. A recessive trait in garden pea is

    Text Solution

    |

  16. Which is correct about traits chosen by Mendel ?

    Text Solution

    |

  17. "Gametes are never hybrid ". It is a statement of law of

    Text Solution

    |

  18. 23 pairs of chromosomes can give rise to how many combinations?

    Text Solution

    |

  19. R is dominant red flowerr trait while r is recessive white flower trai...

    Text Solution

    |

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

    Text Solution

    |