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Friedreich Ataxia 01

Topic: Pediatric

Created on Friday, October 3 2008 by jdmiles

Last modified on Friday, October 3 2008.

Which of the following statements about Friedreich Ataxia is most accurate?

 
        A) It has an autosomal dominant inheritance pattern
 
        B) It has an autosomal recessive inheritance pattern
 
        C) It has an X-linked dominant inheritance pattern
 
        D) It has an X-linked recessive inheritance pattern
 
        E) It is associated with an expanded AAG trinucleotide repeat
 

 


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This question was created on October 03, 2008 by jdmiles.
This question was last modified on October 03, 2008.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) it has an autosomal dominant inheritance pattern

This answer is incorrect.


Friedreich ataxia is associated with an expanded GAA trinucleotide repeat. It has an autosomal recessive inheritance pattern.  (See References)

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B) it has an autosomal recessive inheritance pattern

This answer is correct.


Friedreich ataxia is associated with an expanded GAA trinucleotide repeat. It has an autosomal recessive inheritance pattern.  (See References)

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C) it has an X-linked dominant inheritance pattern

This answer is incorrect.


Friedreich ataxia is associated with an expanded GAA trinucleotide repeat. It has an autosomal recessive inheritance pattern.  (See References)

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D) it has an X-linked recessive inheritance pattern

This answer is incorrect.


Friedreich ataxia is associated with an expanded GAA trinucleotide repeat. It has an autosomal recessive inheritance pattern.  (See References)

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E) it is associated with an expanded AAG trinucleotide repeat

This answer is incorrect.


Friedreich ataxia is associated with an expanded GAA trinucleotide repeat. It has an autosomal recessive inheritance pattern.  (See References)

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References:

1. Rowland, L.P. (Ed) (2000). Merritt's Neurology, 10th Edition. Lippincott Williams & Wilkins, Philadelphia. (ISBN:0683304747)Advertising:
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pediatric
Friedreich Ataxia 01
Question ID: 100308148
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 10/03/2008
Modified: 10/03/2008
Estimated Permutations: 50400

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