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13Mendel - Most genes are independent of each other sum...

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Mendelian Genetics Drosophila notation homozygous locus genotype true-breeding heterozygous P generation F1 generation phenotype dominant recessive Punnett square F2 generation monohybrid cross Gregor Mendel 1 st law, segregation of alleles : alleles of a gene pair separate from each other during gametogenesis 2 nd law, independent assortment of genes : allele segregation at one gene is independent of allele segregation at other genes monohybrid testcross dihybrid cross Problem #1 . P: cn cn pb + pb + x cn + cn + pb pb; determine the expected genotypic ratio for the F 2 product rule : when two events are independent of one another, the probability that they will occur together is the product of their individual probabilities.
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Unformatted text preview: Most genes are independent of each other. sum rule : when two events are mutually exclusive, the probability that either of the two events will occur is the sum of their individual probabilities. Problem #2 . Determine the phenotypic ratio for the offspring of the cross AaBbccDD x AabbCcDd. Problem #3 . Determine the probability that the first offspring of that cross will be AaBbCcDd Chi Square Analysis χ 2 = (O – E) 2 E Problem #4 . AaBb x AaBb A_bb 11 A_B_ 66 aaB_ 13 aabb 10 n = 100 χ 2 = 23 cn cn cn cn cn cn cn cn cn cn cn + cn + cn + cn + cn + cn + cn + cn + cn + cn + cn + cn cn cn + Σ...
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