Home
Class 12
BIOLOGY
In X-linked recessive inheritance, why d...

In X-linked recessive inheritance, why does the disease gene often appear to skip generations?

A

x-linked diseases are only expressed in males

B

All X-linked diseases display incomplete penetrance

C

Disease is primarily transmitted through unaffected carrier females

D

Males with an affected gene may transmit but not show the disease

Text Solution

Verified by Experts

The correct Answer is:
C
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

Why does the sky appear dark instead of blue to an astronaut?

Why does the sun appear reddish early in the morning?

Why does the sky appear dark instead of blue to an astronaut ?

Mendel's rules do not correctly predict patterns of inheritance for tightly linked genes or the inheritance of alleles that show incomplete dominance or epistasis. Does this mean that his hypotheses are incorrect?

TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. What is true for night blindness and haemophilia ?

    Text Solution

    |

  2. What is true for thalassaemia?

    Text Solution

    |

  3. In X-linked recessive inheritance, why does the disease gene often app...

    Text Solution

    |

  4. If a mother and father both have one mutant gene for a disease with an...

    Text Solution

    |

  5. Which on the four couples chaiming tha baby with O+ blood type are pos...

    Text Solution

    |

  6. The weight of fruit in a plant is determined by the number of dominant...

    Text Solution

    |

  7. A plant of "F"(1) generation with genotype AABbCC. On selfing of this ...

    Text Solution

    |

  8. In a population of 2000 individuals, 900 individuals are suffering fro...

    Text Solution

    |

  9. In an organism, 4n=100. the haploid and monoploid number of chromosome...

    Text Solution

    |

  10. In man, nucleolar organisers are not located in which of the following...

    Text Solution

    |

  11. A dihybrid test cross ratio for two linked genes in a hybrid is

    Text Solution

    |

  12. Colour blindness is characterized by

    Text Solution

    |

  13. In human beings, sex determination has recently been studied in great ...

    Text Solution

    |

  14. Nucleosomes give beaded appearance to chromosomes. They help in packin...

    Text Solution

    |

  15. The two nucleosomes are joined by linker DNA to which is attached

    Text Solution

    |

  16. Which among the following histone proteins is least conserved in cours...

    Text Solution

    |

  17. In the region of Balbiani rings (puffs), DNA strand is uncoiled. It he...

    Text Solution

    |

  18. Salivary glands chromosome were discovered by Balbi- ani (1881) from t...

    Text Solution

    |

  19. In which stage, you will find lampbrush chromosomes in oocyte of frog?

    Text Solution

    |

  20. Polytene chromosome becomes giant due to

    Text Solution

    |