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. Last Updated: 07/27/2016

Human Genes Mapped




NEW YORK -- Reaching a major milestone in the science of human genetics, an international consortium of researchers has determined the sequence of an entire human chromosome, the first to be finished under the massive Human Genome Project.


The much-anticipated feat paves the way for similar announcements in the months to come as research centers around the world attempt to sequence the entire human genetic blueprint, including 3 billion base pairs of DNA, by the year 2003. A completed blueprint, scientists say, will provide critical information in diagnosing, treating, and ultimately curing a wide range of genetic-based diseases.


Chromosome 22 - which includes genes implicated in leukemia, breast cancer and mental retardation, among others - is the first finished section of that blueprint, experts say.