Home
Class 12
BIOLOGY
Down's syndrome is caused by an extra co...

Down's syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring produced by an affected mother and a normal father would be affected by this disorder

A

`100%`

B

`75%`

C

`50%`

D

`25%`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NEET

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise BIOLOGY|306 Videos

  • NEET

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise QUESTION|187 Videos

  • NEET

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise MCQ|184 Videos

  • MORPHOLOGY OF FLOWERING PLANTS

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Exercise|91 Videos

  • NEET 2018

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

Similar Questions

Explore conceptually related problems

Down syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring prodused by an affected mother and a normal father would be affected by this disorder?

Down's syndrome in caused by an extera copy of chromosome number 21 . What percentage of offspring is produced by an affected mother and a normal father .

Down's syndrome is due to trisomy of 21st chromosome caused by

A mother is afflicted by Down's syndorme causerd by an extra copy of chromosome 21 Father is normal .percentage of offspring affected by the disorder would be

Read the following text and answer the following questions on the basis of the same: Down syndrome (sometimes called Down's syndrome) is a condition in which a child is born with an extra copy of their 21st chromosome hence its other name, trisomy 21. The affected individual mental retarded, short statured with small round, head, furrowed tongue and partially open mouth, Physical, psychomotor and mental development is retarded. Down Syndrome is an extra copy which chromosome

Read the following text and answer the following questions on the basis of the same: Down syndrome (sometimes called Down's syndrome) is a condition in which a child is born with an extra copy of their 21st chromosome hence its other name, trisomy 21. The affected individual mental retarded, short statured with small round, head, furrowed tongue and partially open mouth, Physical, psychomotor and mental development is retarded. The number of chromosomes a child with Down syndrome has is

Read the following text and answer the following questions on the basis of the same: Down syndrome (sometimes called Down's syndrome) is a condition in which a child is born with an extra copy of their 21st chromosome hence its other name, trisomy 21. The affected individual mental retarded, short statured with small round, head, furrowed tongue and partially open mouth, Physical, psychomotor and mental development is retarded. Down syndrome is caused due to

Read the following text and answer the following questions on the basis of the same: Down syndrome (sometimes called Down's syndrome) is a condition in which a child is born with an extra copy of their 21st chromosome hence its other name, trisomy 21. The affected individual mental retarded, short statured with small round, head, furrowed tongue and partially open mouth, Physical, psychomotor and mental development is retarded. Down syndrome is

Read the following text and answer the following questions on the basis of the same: Down syndrome (sometimes called Down's syndrome) is a condition in which a child is born with an extra copy of their 21st chromosome hence its other name, trisomy 21. The affected individual mental retarded, short statured with small round, head, furrowed tongue and partially open mouth, Physical, psychomotor and mental development is retarded. One of this trait is seen in a person with Down syndrome

In Down syndrome , karyotyping has shown that the disoeder is associated with trisomy of chromosome number 21 usually due to:

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-NEET-MCQs
  1. Test tube baby means a baby born when

    Text Solution

    |

  2. In which one of the following do the two names refer to one and the sa...

    Text Solution

    |

  3. Down's syndrome is caused by an extra copy of chromosome number 21. Wh...

    Text Solution

    |

  4. Maximum application of animal cell culture technology today is in the ...

    Text Solution

    |

  5. Escherichia coli is used as an indicator organism to determine polluti...

    Text Solution

    |

  6. Which of the following pairs correctly matches a hormone with the dise...

    Text Solution

    |

  7. Carcinoma refers to:

    Text Solution

    |

  8. Which endangered animal is the source of the world's finest, lightest,...

    Text Solution

    |

  9. Which one of the following is a matching pair of an animal and a certa...

    Text Solution

    |

  10. Short-lived immunity acquired from mother to foetus across placenta or...

    Text Solution

    |

  11. In recent years, DNA sequence (nucleotide sequence) of mt-DNA and Y ch...

    Text Solution

    |

  12. What is true about T-lymphocytes in mammals?

    Text Solution

    |

  13. Industrial melanism is an example of

    Text Solution

    |

  14. In a random mating population in equilibrium, which of the following b...

    Text Solution

    |

  15. Darwin in his 'Natural Selection Theory' did not believe in any role o...

    Text Solution

    |

  16. Which one of the following correctly describes the homologous structur...

    Text Solution

    |

  17. Ommatidia serve the purpose of photoreception in

    Text Solution

    |

  18. During the life-cycle, Fasciola hepatica ( liver-fluke) infects its in...

    Text Solution

    |

  19. Sycon belongs to a group of animals which are best described as

    Text Solution

    |

  20. During translation initiation in prokaryotes, a GTP molecule is needed...

    Text Solution

    |