Neuromuscular 09

Topic: Anatomy

Created on Saturday, February 14 2009 by gliageek

Last modified on Thursday, February 19 2009.

 
        A) X-linked inheritance
 
        B) Maternal inheritance
 
        C) Duplications within regions of the mitochondrial genome
 
        D) Phenotypic variability within affected family members
 
        E) CNS disease
 

 

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This question was created on February 14, 2009 by gliageek.
This question was last modified on February 19, 2009.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) X-linked inheritance

This answer is correct.

Mitochondrial myopathy with X-linked inheritance has not been reported   (See References)

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B) Maternal inheritance

This answer is incorrect.

Typical of mitochondrial diseases resulting from mitochondrially encoded proteins   (See References)

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C) Duplications within regions of the mitochondrial genome

This answer is incorrect.

Duplications within regions of the mitochondrial genome are characteristic of Kearn-Sayre syndrome   (See References)

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D) Phenotypic variability within affected family members

This answer is incorrect.

Cellular and tissue heterogeneity may result in widely varying phenotypes with a single mitochondrial mutation   (See References)

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E) CNS disease

This answer is incorrect.

CNS pathology is common in mitochondrial diseases   (See References)

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References:

1. Graham, D.I., and Lantos, P.L. (2002). Greenfield's Neuropathology, 7th ed. Arnold Press, New York. (ISBN:0340742313)

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anatomy
Neuromuscular 09
Question ID: 021409130
Question written by gliageek. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 02/14/2009
Modified: 02/19/2009
Estimated Permutations: 120