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Genetics of ALS 01

Topic: Adult

Created on Sunday, September 28 2008 by jdmiles

Last modified on Sunday, September 28 2008.

Regarding amyotrophic lateral sclerosis (ALS), roughly what percentage of cases are familial?

 
        A) About 5%
 
        B) About 45%
 
        C) About 95%
 
        D) About 85%
 
        E) About 15%
 

 


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This question was created on September 28, 2008 by jdmiles.
This question was last modified on September 28, 2008.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) about 5%

This answer is correct.


About 5% of cases of ALS are familal, in an autosomal dominant inheritance pattern.  (See References)

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B) about 45%

This answer is incorrect.


About 5% of cases of ALS are familal, in an autosomal dominant inheritance pattern.  (See References)

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C) about 95%

This answer is incorrect.


About 5% of cases of ALS are familal, in an autosomal dominant inheritance pattern.  (See References)

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D) about 85%

This answer is incorrect.


About 5% of cases of ALS are familal, in an autosomal dominant inheritance pattern.  (See References)

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E) about 15%

This answer is incorrect.


About 5% of cases of ALS are familal, in an autosomal dominant 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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adult
Genetics of ALS 01
Question ID: 092808156
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 09/28/2008
Modified: 09/28/2008
Estimated Permutations: 15120

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