Lecture 6 - Biology 313 Lecture 6 Sept 3, 2010...

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Biology 313 Lecture 6 Sept 3, 2010
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Wednesday 8 September  Bessey Room 210 @ 7 pm FREE PIZZA & POP! (for dues-paying Dr. Amy Toth, EEOB Department “Genomics and sociality: evolutionary insights from highly social bees and wasps”
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An example of the 2nd Law from Chapter 2 (Figure 2-17) : random distribution of chromosomes at Anaphase I produces genetic variation m = maternal p = paternal
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How predict progeny? Branching method : an easier, faster way to predict progeny of crosses than Punnett Square method, especially for more than two traits Independent assortment applies so can apply the multiplication rule
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Consider each gene (chromosome) separately Branching method for Dihybrid Cross Yy x Yy
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Can predict genotypes and phenotypes Given the cross: Rr Yy Tt X rr Yy tt What is the probability of an offspring with an rr YY tt genotype? a. 1/16 b. 1/8 c. 1/4 d. 3/16
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See p. 60
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This note was uploaded on 10/06/2011 for the course BIO 313 taught by Professor Rodermel during the Spring '11 term at Iowa State.

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Lecture 6 - Biology 313 Lecture 6 Sept 3, 2010...

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