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It is well known that Queen Victoria of England was a carrier for haemophilia. Since this is an X-linked disease, it can be predicated that

Option: 1

All of her sons would have had disease


Option: 2

All her daughters would have been carriers


Option: 3

Her father must definitely have had haemophilia

 


Option: 4

Haemophilia would have occurred in more of her male than her female descendants


Answers (1)

best_answer

 

Cause of Haemophilia -

A single protein that is a part of the cascade of a protein involved in the clotting of blood is affected.

- wherein

The heterozygous female (carrier) for haemophilia may transmit the disease to sons. 

Eg: The family pedigree of Queen Victoria shows the number of haemophilia decedents and she was the carrier.

 

 Correct option is 4

 

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