Lecture 5 Outline - Sex Linkage and sex-linked genes...

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Bio 352 1 of 3 LECTURE 5 : Sex linked genes Today’s topics: 1. X and Y chromosomes 2. Dosage compensation 3. Sex linkage Readings : Pierce, pgs. 81 - 91 Is maleness the result of the Y-chromosome being present or the result of the second X chromosome being absent? Human sex chromosomes ( Figure 4.5 ) The SRY gene XX males and XY females Dosage compensation
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Bio 352 2 of 3 The Barr body
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Unformatted text preview: Sex Linkage and sex-linked genes X-linked genes Y-linked genes T.H. Morgan (1910) Eye color in Drosophila ( Figure 4.12a) Hemizygosity Pseudodominance Bio 352 3 of 3 Reciprocal crosses ( Figure 4.12b ) Reds-green colorblindness ( Figure 4.15 ) Queen Victoria and hemophilia Next Time : Modifications to Mendelian Patterns (Lecture 6) Readings : Pierce, pgs. 99 - 117...
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This note was uploaded on 05/07/2011 for the course BIOLOGY 352 taught by Professor Townsend during the Spring '08 term at San Diego State.

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Lecture 5 Outline - Sex Linkage and sex-linked genes...

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