Gerry Baker is Editor at Large of The Wall Street Journal. He writes a weekly column for the editorial page of The Journal each Tuesday on politics, economics and culture. Mr. Baker also writes a ...

Gene expression is the generation of a functional gene product from the information encoded by a gene, through the processes of transcription and translation. Gene products are often proteins, however ...

Gene expression profiling is the determination of the pattern of genes expressed, at the level of transcription, under specific circumstances or in a specific cell to give a global picture of cellular ...