Isolation and Structure Determination of Genes
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		The study of genes that are expressed only, or with unique effects, in the nervous system has become important from both a molecular biological and a clinical perspective. From knowledge of the structure of a gene and its exons, it is possible to identify
	| 1. | 
								the sequence of the mRNA produced by that gene | 
| 2. | 
								mechanisms of gene expression such as steroid regulation, or alternative mRNA splicing | 
| 3. | 
								evolutionary relationships of genes or | 
| 4. | 
								mutations that alter expression of a gene, causing disease | 










