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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 25%
 
        B) About 85%
 
        C) About 75%
 
        D) About 5%
 
        E) About 95%
 

 


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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 25%

This answer is incorrect.


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

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B) 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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C) about 75%

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 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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E) 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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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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