Joint announcement of the theory of natural selection-that members of a population who are better adapted to the environment survive and pass on their traits.
Published The Origin of Species
Published the results of his investigations of the inheritance of "factors" in pea plants.
Mendel's principles were independently discovered and verified, marking the beginning of modern genetics.
Independently described the behavior of sex chromosomes-XX determines female; XY determines male.
Reported that they had purified the transforming principle in Griffith's experiment and that it was DNA.
Produced the first recombinant DNA molecules.
Showed that a recombinant DNA molecule can be maintained and replicated in E. coli.
Developed the chain termination (dideoxy) method for sequencing DNA.
Used blood samples collected by Nancy Wexler and her co-workers to demonstrate that the Huntington's disease gene is on chromosome 4.