Home
Class 12
BIOLOGY
A person with 47 chromosomes due to an a...

A person with 47 chromosomes due to an additional X-chromosome suffers from a condition called

A

Down's syndrome

B

Super female

C

tuner's syndrome

D

klinefelter's syndrome

Text Solution

Verified by Experts

The correct Answer is:
D
HF Klinefelter first described this condition in 1942. The chromosome number is 2n = 47 with the formula 44A + XXY.
Phenotypically these individuals are males, but they can show some female secondary sexual characteristics and are usually sterile.
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

A man with extra X-chromosome suffers form

A woman with 47 chromosomes due to presence of additional 21 chromosome is characterised by

Which has an additional Y-n chromosome ?

A person with chromosome complement of XXX is

Addition of individual chromosomes is mutation called

The loss of one single chromosome creates a condition called:

A woman with 47 chromosomes due to three copies of chromosome 21 is characterized by

A women with 47 chromosomes due to three copies of chromosomes 21 is charactericzed by :

In diploid set of chromosomes , deletion and additional of a member leads to

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-PRINCIPLES OF INHERITANCE AND VARIATION -MCQ
  1. HJ Muller was awarded Noble Prize for his

    Text Solution

    |

  2. A man with a certain disease marries a normal woman. They have eight c...

    Text Solution

    |

  3. A person with 47 chromosomes due to an additional X-chromosome suffers...

    Text Solution

    |

  4. Alleles that produce independent effects in their heterozygous conditi...

    Text Solution

    |

  5. An individual exhibiting both male and female sexual characteristics i...

    Text Solution

    |

  6. The most striking example of point mutation is found in a disease call...

    Text Solution

    |

  7. The polytene chromosomes were discovered for the first time in

    Text Solution

    |

  8. When two genetic loci produce identical phenotypes in cis as well as i...

    Text Solution

    |

  9. In a dihybrid cross AABB xx aabb, "F"(2) progeny of AABB, AABb, AaBB a...

    Text Solution

    |

  10. A cross between pure tall Pea plant with green pods and dwarf Pea Plan...

    Text Solution

    |

  11. Out of A-T,G-C pairing bases of DNA may exist in alternate valencyt st...

    Text Solution

    |

  12. A colourblind woman marries a normal visioned male. In the offspring

    Text Solution

    |

  13. Genes located on Y-chromosome are

    Text Solution

    |

  14. A woman with albinic father marries an albinic man. The proportion of ...

    Text Solution

    |

  15. A child of blood group 'O' cannot have parents of blood groups:

    Text Solution

    |

  16. Which of the following is suitable for experiment on linkage ?

    Text Solution

    |

  17. Two dominant non-allelic genes are 50 map units apart.The linkage is

    Text Solution

    |

  18. Medel studied inheritance of seven pairs of traits in pea which can ha...

    Text Solution

    |

  19. Of both normal parents, the chance of a male child becoming colour bli...

    Text Solution

    |

  20. Mr kapoor has Bb autosomal gene pair and d allele sex linked.What shal...

    Text Solution

    |