Biology · Variation and Genetics

Thomas Hunt Morgan was the first scientist to demonstrate the concept of gene linkage using Drosophila (fruit flies) in the early 20th century. His experiments showed that certain traits were inherited together more often than would be expected by chance, indicating that the genes controlling those traits were located on the same chromosome. This was a pivotal moment in genetics, leading to the formulation of the chromosome theory of inheritance.

While Alfred Sturtevant contributed significantly to genetics by mapping genes, he built upon Morgan's foundational work rather than discovering linkage himself. Gregor Mendel, known for his pioneering studies in heredity, did not study Drosophila and therefore cannot be credited with gene linkage. Similarly, Hugo de Vries focused more on the role of mutations in evolution and did not conduct research that directly addressed gene linkage in Drosophila.

Thomas Hunt Morgan was the first to demonstrate the concept of gene linkage in Drosophila (fruit flies) through his experiments, laying the groundwork for modern genetics.

Alfred Sturtevant was a student of Morgan and is known for creating the first genetic map, but he did not discover gene linkage.

Gregor Mendel is known as the father of genetics for his work on inheritance patterns, but he did not specifically study gene linkage in Drosophila.

Hugo de Vries was a key figure in the rediscovery of Mendel's work and contributed to mutation theory, but he did not work on gene linkage in Drosophila.