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Weekly Main Concepts BIOLOGY Chapter 11-1 The Work of Gregor Mendel • Genetics is the study of heredity (the passing of traits from parents to offspring) • Gregor Mendel (the “father” of modern genetics) was the first to study genetics and determine “rules” that influence heredity and can be used to predict hereditary trends • He studied pure-bred and hybrid plants by cross pollinating them • He concluded that “factors” were passed from parents to offspring (genes) Main Concepts continued • Mendel concluded that genes can be in different forms called alleles • Mendel discovered that some alleles are dominant over other alleles (recessive) • During meiosis, alleles separate (segregate) independently from each other when forming gametes