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EBio - notes2 - Adv Mend Gen 11-6

EBio - notes2 - Adv Mend Gen 11-6 - Making Punnett Squares...

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Making Punnett Squares: Mendel’s 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 widow’s peak •Heterozygous X Homozygous recessive: 1:1 heterozygous:homozygous recessive; 1:1 widow’s peak to no peak •Heterozygous X Heterozygous: 1:2:1 homo dom: hetero: homo rec; 3:1 widow’s peak to no peak •Homozygous dominant X Heterozygous: 1:1 heterozygous: homo dominant; All widow’s peak Advanced Mendelian Genetics: Vocabulary •Law of independent assortment •Codominance, incomplete dominance •Multiple alleles •Pleiotropy •Recessively inherited disorders, carriers
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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 Pleiotropy 3. Human Genetic disorders
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