Biotechnology: How Many Genes Are There?

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Science  07 Feb 1997:
Vol. 275, Issue 5301, pp. 769
DOI: 10.1126/science.275.5301.769

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More than a century after Austrian monk Gregor Mendel first detailed how genetic material was passed from one generation to the next, researchers still don't know how many genes we're all walking around with. Expert estimates range from 60,000 to 150,000.