Science News, October 3rd, 1992
In two of the earliest major advances in the mammoth international effort to identify and decipher all of the estimated 100,000 human genes, two groups of researchers have taken apart and put back together the smallest human chromosomes: the Y chromosome and chromosome 21.
The exercise have yielded for each chromosome a set of overlapping segments of DNA assembled in the correct order. Scientists expect both of these so-called physical maps to help them find new genes more quickly. They also predict that the map of the Y chromosome will shed new light on human evolution.
Scientists at the ...
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