Ch. 15 study guide - What are sex-linked genes Why do...

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STUDY GUIDE Campbell 7th and 8th editions BIO 311D CHINNERY CHAPTER 15 Important figures 8 th edition: 15.2, 15.9, 15.10, 15.11 Important figures 8 th edition: 15.2, 15.6, 15.7, 15.8 Important terms: sex, sex-linked gene, Duchenne muscular dystrophy, hemophilia, hemizygous, X inactivation, barr body, aneuploidy, polyploidy, Down syndrome, Klinefelter syndrome, Turner syndrome, testicular feminization. Knowledge goals : Be able to discuss at least one other chromosomal system of sex determination other than the x-y system.
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Unformatted text preview: What are sex-linked genes? Why do sex-linked disorders affect more males than females? Draw a Punnett square of the transmission of an x-linked trait, first describing the parents and using X and Y as the main genotype letters and A, a as the presence/absence of the trait. What are two sex-linked genetic disorders that we discussed in class? Describe x inactivation. Down syndrome is due to what genetic defect? What can happen if a person receives more than just one x and one y?...
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