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Article: Genetics
- Article from:
- Dictionary of American History
- Author:
CopyrightCOPYRIGHT 2003 The Gale Group Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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GENETICS
GENETICS,
the science of heredity, includes the interrelated fields of cytology, biochemistry, evolutionary theory, and molecular biology. Today the impact of genetic research is far-reaching, affecting medical diagnosis and therapeutics, agriculture and industry, criminal prosecution, and privacy, as well as ideas regarding individuality, ethics, and responsibility. Studied since antiquity, heredity remained a puzzle until the late twentieth century even though many of its essential physical components
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such as chromosomes and "nuclein" (later identified as deoxyribonucleic acid (DNA)
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were known by the late nineteenth century. Indeed, genetics did not become a ...
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