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Unformatted text preview: Making Punnett Squares: Mendels tenets: Inherit 2 alleles for each gene, one from each parent Meiosis segregates alleles into sperm or eggs Homozygous dominant X Homozygous recessive: All heterozygous, all with widows peak Heterozygous X Homozygous recessive: 1:1 heterozygous:homozygous recessive; 1:1 widows peak to no peak Heterozygous X Heterozygous: 1:2:1 homo dom: hetero: homo rec; 3:1 widows peak to no peak Homozygous dominant X Heterozygous: 1:1 heterozygous: homo dominant; All widows peak Advanced Mendelian Genetics: Vocabulary Law of independent assortment Codominance, incomplete dominance Multiple alleles Pleiotropy Recessively inherited disorders, carriers Polygenic inheritance Amniocentesis , Chorionic villus sampling Chapter 14, Figures 14.8, 10, 12, 13, 17 Table 14.2 Concepts: 1. Law of independent assortment 2. Inheritance is not that simple: effects of multiple alleles, multiple genes, the environment, incomplete and codominance, and...
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- Fall '07