Encyclopedia Article

Gene - Research Article from Encyclopedia of Drugs, Alcohol & Addictive Behavior

This encyclopedia article consists of approximately 1 page of information about Gene.
This section contains 98 words
(approx. 1 page at 300 words per page)

A gene is a unit of heredity that confers some trait or function on the organism. Most genes are thought to be essential to development and normal functioning. Genes are often a primary determinant of interpersonal differences; for example, they determine whether you have blue or brown eyes. A disrupted or mutated gene can cause serious, even fatal problems. Genes are composed of DNA and found in the chromosomes in the nucleus of a cell. At present, we are on the verge of identifying all the human genes due to the efforts of the genome projects.

This section contains 98 words
(approx. 1 page at 300 words per page)
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Macmillan
Gene from Macmillan. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.