Wednesday, October 5, 2011

History

-1910 Thomas Hunt Morgan demonstrates that when a gene is located on the X chromosome of the fruit fly, the characteristic appears more frequently in males than in females.
-1943 Martin Bell showed that a particular form of mental retardation is X-linked.
-1969 Herbert Lubs finals visual proof of the linkage if mental retardation and the X-chrormosome.




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