December 10, 1999
Researchers Decode a Human Chromosome
An international team of scientists last week announced that it had decoded the genetic sequence of virtually all of human chromosome 22, the first human chromosome to be sequenced.
The development, reported in the December 2 issue of Nature, offers the prospect of new insights into a variety of human diseases, such as schizophrenia.
A chromosome is a single, tightly coiled molecule of DNA. Most human cells have 23 pairs of chromosomes, and chromosome
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