GEN-3000 Study Guide - Midterm Guide: Punnett Square, Lethal Allele, Allosome

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Study guide exam i (ch 1-4: ch. 1: model organisms (importance)- used to study human diseases. 2: pro- vs eukaryote, ploidy- 1 set is haploid 1n, reproductive cells. 2 sets diploid, most eukaryotic cells: chromosome structure, early theories of hereditary transmission, pangenesis- specific particles carry info from body to repro organs which are passed to embryo at conception. Acquired- traits acquired in life -> hereditary info and passed on. Preformation- inside egg or sperm is a tiny adult. Blending- offspring are a blend of parents: important people & their contributions, schwann and schleiden- proposed the cell theory (basic unit, from preexisting cells, darwin- evolution through natural selection, mendel- basic principles of heredity. Crossed pea plants and analyzed patterns of transmission: flemming- observed division of chromosomes. Hereditary info is in the nucleus: weismann- germ-plasm theory (reproductive system cells carry complete set of info).