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she mastered gene control
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he is best known for the experiment that isolated DNA as the material of which genes and chromosomes are made.
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Watson's key contribution was in discovering the nucleotide base pairs that are the key to the structure and function of DNA. This key discovery was made in the Pauling tradition
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Chargaff discovered two rules that helped lead to the discovery of the double helix structure of DNA
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The Hershey-Chase experiment was a series of experiments conducted in 1952 by Alfred Hershey and Martha Chase. It identified DNA to be the genetic material of phages and, ultimately, of all organisms
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X-ray diffraction images of DNA which formed a basis of Watson and Crick's hypothesis of the double helical structure of DNA in their 1953 publication
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Crick assisted in the development of a mathematical theory of X-ray diffraction by a helical molecule. This theoretical result matched well with X-ray data for proteins that contain sequences of amino acids in the Alpha helix conformation Helical diffraction theory turned out to also be useful for understanding the structure of DNA.
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talks about his discovery of the polymerase chain reaction ,a process that allows chemists to produce many copies of a specific fragment of DNA.
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Hartwell identified the fundamental role of checkpoints in cell cycle control
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discovered the technique of genetic fingerprinting in a laboratory in the Department of Genetics at the University of Leicester
