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Morgan’s work is based on fruit flies (Drosophila melanogaster). He formulated the chromosomal theory of linkage. He defined linkage as the co-existence of two or more genes in the same chromosome and performed dihybrid crosses in Drosophila to show that linked genes are inherited together and are located on X-chromosome. His experiments have also proved that tightly linked genes show very low recombination while loosely linked genes show higher recombination.
T.H. Morgan, or Thomas Hunt Morgan, made significant contributions to the field of genetics, particularly in the early 20th century. His most notable contribution was the discovery of the role of chromosomes in heredity. Through his work with the fruit fly Drosophila melanogaster, Morgan established that genes are located on chromosomes and are arranged in a linear fashion. This groundbreaking research laid the foundation for our modern understanding of how genes are inherited and passed from one generation to the next. Morgan’s work earned him the Nobel Prize in Physiology or Medicine in 1933, and he is often referred to as the “father of modern genetics.”
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