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Period: to
Gregor Mendel coonducted experements with pea plants
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Frederick Griffith
Discovers that a factor in diseased bacteria can transform harmless bacteria into deadly bacteria -
Rosalind Franklin
X-Ray photo of DNA -
Watson and Crick
described the DNA molecule from Franklin’s X-ray. DNA had specific pairing between the nitrogen bases:
ADENINE – THYMINE
CYTOSINE - GUANINE DNA was made of 2 long stands of nucleotides arranged in a specific way called the “Complementary Rule”
