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| 1866. Considered the "Father of Genetics". used peas. |
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| 1869. Used fish sperm to discover nuclear fluid aka nuclein. |
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| 1902. Uses Drosophilia melanogaster, fruit flies, to discover sex-linked traits. |
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1928. FREDERICK GRIFFITH uses two strains of the bacterium pneumococcos and mice.
First strain was rough and non-lethal while the second strain was smooth and lethal. |
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| 1944. IDed Girffith's experiment to be DNA. |
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| 1952. Used the T-4 bacteriophage to identify that you inherit DNA not protein. Therefore, DNA is the genetic code, not protein. |
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| 1920s. Chemical analysis of DNA states that DNA is made of nucleotides, which are made of one 5-carbon sugar [deoxyribose], one nitrogenous base [A/T-C/G], and one phosphate group [PO4] |
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| Uses X-Ray diffraction to dsicover part of DNA's structure. |
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| 1953. Use information gathered and piece together the structure of DNA. DNA is a double-helix. |
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Discovers the pairing rule of nitrogenous bases. There are two purines [Adenine and Guanine] and two pyrimidines [Thymine and Cytosine].
Adenine pairs with Thymine.
Guanine pairs with Cytosine. |
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