2011 Lect 12 Mendelian genetics II

2011 Lect 12 Mendelian genetics II - Exam Exam1 1 Exam...

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xam 1 Exam 1 1
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xam 1 Exam 1 80 60 70 40 50 of obs 30 No o 10 20 90 100 110 120 Points 0 2
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xam 1 Exam 1 80 60 70 40 50 of obs 30 No o 10 20 90 100 110 120 Points 0 3
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endelian netics II Mendelian genetics II 4
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endel’s 3 crosses Mendel s 3 crosses . Homozygous arentals ith different traits 1. Homozygous parentals with different traits phenotypically dominant x recessive 2. Crossed F1 x F1 hbid monohybrid cross 3. Crossed F1 back to recessive parental backcross 5
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he major crosses for 1 trait The major crosses for 1 trait ross: ffspring genotypes: Cross: AA x aa Offspring genotypes: all Aa Aa x Aa ¼ AA; ½ Aa; ¼ aa a a ½ Aa x aa ½ Aa; ½ aa 6
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endel’s 1 st rinciple Mendel s 1 principle gregation: Segregation: Individuals have 2 discrete units of information r a trait (= 2 alleles per gene) for a trait (= 2 alleles per gene), But pass only one of those units on to their offspring (= separation of alleles in meiosis) 7
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uestion 1 Question 1 Bl ck inea pigs of the same genotype were ac gu eapgs o te sa e ge otype ee mated. They produced 29 black and 9 white offspring. What would you predict the genotypes of the parents to be? 1. Both Homozygous 2. Both Heterozygous 3. Homozygous x Heterozygous 4. You can’t tell from the information given 8
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stcross Testcross rossing to a omozygous recessive Crossing to a homozygous recessive to determine the genotype of an individual with dominant phenotype a dominant phenotype.
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This note was uploaded on 04/18/2011 for the course BIO 182 taught by Professor Jacobson during the Fall '11 term at ASU.

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2011 Lect 12 Mendelian genetics II - Exam Exam1 1 Exam...

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