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"" is an example of X-linked recessive t...

`"______"` is an example of X-linked recessive trait

A

Phenylketonuria

B

Haemophilia

C

Cystic fibrosis

D

Sickle-cell anaemia

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The correct Answer is:
B
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NCERT FINGERTIPS-PRINCIPLES OF INHERITANCE & VARIATION-Principles Of Inheritance & Variation
  1. Refer to the given family tree and answer the question What are ...

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  2. Inheritance of which of the following traits is shown in the given cro...

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  3. "" is an example of X-linked recessive trait

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  4. If a haemophilic man marries a carroes women than which of the followi...

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  5. The possibility of a female becoming haemophilic is extremely rare bec...

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  6. Result of a cross between a normal homozygous female and a haemophili...

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  7. Father of a child is colourblind and mother is carrier for colourblin...

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  8. A coloured man (X^(c)Y) marries a woman who is carrier for haemophilia...

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  9. A marriage between a colourblind man and a normal woman produces

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  10. Red green colourblindness is a sex linked trait. Which of the given st...

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  11. The disease sickle-cell anaemia is caused by the substitution of over...

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  12. Study the given pedigree chart for sickle-cell anaemia and select the ...

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  13. Refer to the give figure The shape of RBCs under oxygen tension ...

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  14. An individual affected by phenylketonuria lacks an enzyme that convert...

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  15. Which of the following is not a example of recessive autosomal disease...

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  16. If both parents are carriers for thalassaemia, which is an automal rec...

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  17. Select the disease which is caused by recessive autosomal genes when...

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  18. In this disease, there occurs a failure of chloride ion transport mech...

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  19. Match column I with column II and select the correct option from th...

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  20. Which of the following trait is controlled by dominant autosomal genes...

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