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Which of the following should be avoided...

Which of the following should be avoided in biological marriages ?

A

`A^(+)` boy and `A^(+)` girl

B

`A^(+)` boy and `A^(-)` girl

C

`O^(+)` body and `O^(+)` girl

D

`O^(-)` body and `O^(+)` girl

Text Solution

Verified by Experts

The correct Answer is:
B
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ARIHANT NEET-HUMAN GENETICS-Chapter Exercises A Taking it together (Assorted Questions of the Chapter for Advanced level Practice )
  1. Which is not an X- linked recessive disease?

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  2. Brachydactyly is due to:

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  3. Which of the following should be avoided in biological marriages ?

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  4. Sex -linked chromosomes of man are

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  5. Cri-du-chat syndrome in humans is caused by the :

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  6. In man, four phenotypes of blood groups are due to the presence of ant...

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  7. Sex-linked traits are

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  8. Both sickle-cell anaemia and huntingon's chorea are

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  9. A Rh^-mother carrying a Rh^- child then :

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  10. One child is haemophilic (sex-linked trait), while its fraternal twins...

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  11. One of the genes present exclusive on the X- chromosome in humans is c...

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  12. A man suffering from a disease marries a normal woman and they have fi...

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  13. Tay-sach's disease is due to

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  14. Baldness is more common in men than in women it could be explained on ...

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  15. Usually the recessive character is expresse only when present in a dou...

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  16. Individual with Turner's syndrome is

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

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  18. The person with turner's syndrome has

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  19. When both parants are of blood type AB,they can have children with

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  20. Phenylketonuria, Huntington's disease and sickle-cell anaemia are caus...

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