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Gregor Mendel
Gregor Mendel's seminal paper, a cornerstone of modern genetics, is presented here with its original illustrations and charts. This work details his rigorous, multi-year study of plant specimens and their offspring. Mendel's revolutionary conclusion was that hereditary traits could be predicted with a degree of accuracy through probability analysis. His findings on acquired characteristics, demonstrated through pea plant experiments, sparked significant interest in the mechanisms of heredity.