Genetic Linkage
Genetic linkage is the tendency for genes located close together on the same chromosome to be inherited together, rather than sorting independently during meiosis. This phenomenon helps scientists map gene positions and predict inheritance patterns, playing a key role in modern genetics for understanding diseases and evolutionary traits.
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The discovery of genetic linkage by Thomas Hunt Morgan not only earned him the Nobel Prize in 1933 but also paved the way for the Human Genome Project, which sequenced over 3 billion base pairs of DNA. This breakthrough has enabled the identification of more than 7,000 genetic diseases linked to specific chromosomal regions, transforming personalized medicine.
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