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100 Greatest Discoveries

What are the most important scientific discoveries of all time? The answer might include Copernicus's idea that the sun is at the center of the solar system, Newton's laws of motion, Mendeleev's periodic table of elements, Einstein's theory of relativity and Darwin's theory of evolution. There are numerous great scientific discoveries that have significantly influenced the way we think and live throughout history. 100 Greatest Discoveries recounts the 100 most important scientific discoveries of all time and explains them with historical re-creations, archival footage and interviews with scientists.

100 Greatest Discoveries - Genetics

This episode recounts thirteen important discoveries related to genetics, including Gregor Mendel's discovery of rules of heredity, James Watson and Francis Crick's discovery of the structure of the DNA molecule, and the recent discovery that humans have approximately 20,000 to 25,000 genes. Here are the thirteen important discoveries:

1. Rules of Heredity (1850s)
2. Genes Are Located on Chromosomes (1910 - 1920s)
3. Genes Control Biochemical Events (1930)
4. Some Genes Can Jump (1940)
5. DNA Is the Genetic Material (1928, 1944, 1952)
6. DNA Is a Double Helix (1953)
7. Cracking the Genetic Code (1960s)
8. RNA Conveys Genetic Information (1960s)
9. Restriction Enzymes (1950s - 1960s)
10. RNA Splicing (1976)
11. DNA Polymorphism (1985)
12. Humans Have 20,000 to 25,000 Genes (2003)
13. RNA Interference (1998)


Go to 100 Greatest Discoveries Home or watch other episodes:

1. 100 Greatest Discoveries: Astronomy
2. 100 Greatest Discoveries: Biology
3. 100 Greatest Discoveries: Chemistry
4. 100 Greatest Discoveries: Earth Science
5. 100 Greatest Discoveries: Evolution
6. 100 Greatest Discoveries: Genetics
7. 100 Greatest Discoveries: Medicine
8. 100 Greatest Discoveries: Physics