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Science 6 November 1987:
Vol. 238. no. 4828, pp. 765 - 772
DOI: 10.1126/science.2890208
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Articles

Science, Vol 238, Issue 4828, 765-772
Copyright © 1987 by American Association for the Advancement of Science

articles

Molecular genetics: applications to the clinical neurosciences

JB Martin

Neurology Service, Massachusetts General Hospital, Boston.

Application of molecular biology, by means of linkage analysis and DNA probes that demonstrate restriction fragment length polymorphisms (RFLPs), has resulted in the chromosomal localization of the genes responsible for a number of neurological disorders. Characterization of the structure and function of individual genes for these diseases is in an early stage, but information available indicates that the molecular mechanisms underlying phenotypic expression of neurological diseases encompass a wide range of genetic errors ranging from the most minor (a single-base pair mutation) to large chromosomal deletions. Linkage analysis can now be used for genetic counseling in several of these disorders.


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