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BMS110 Chapter 20 Study Guide - 14 What are 5 examples of...

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BMS110 Section A/D/Z Fall 2011 BMS110 Chapter 20 Study Guide 1. What is gene linkage refer to and how does crossing over affect linkage? 2. Explain what is required to obtain a karyotype and what colchicine is use for? 3. What is the SRY gene? 4. What is meant by x-linked or y-linked gene? 5. What is X inactivation and the term Barr bodies? 6. What is an example of an X-inactivation type disorder? 7. What is the difference between sex-influenced and sex-limited genes and some examples? 8. What is a pedigree chart and how can it be used to track disorders? 9. What is the typical patterning of a autosomal recessive disorder and give 3 examples? 10. What is meant by being a carrier for a disease/disorder? 11. What is the inheritance pattern for a autosomal dominant disorder and give 4 examples? 12. Which autosomal disorders have carriers and which do not? 13. Explain the pattern of X-linked inheritance and who can be carriers and who cannot and who has a greater chance of showing the disorder?
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Unformatted text preview: 14. What are 5 examples of x-linked disorders? 15. Be able to identify a autosomal ressesive, autosomal dominant, and x-linked disorder from a pedigree chart? 16. What is Pharmacogenomics and how can it be used in medicine? 17. What are the 4 changes in chromosome structure that can affect genes and phenotype? 18. What changes in chromosome structures are visibly seen by karyotyping and which are not? 19. What is one example of a chromosome deletion and a chromosome translocation? 1 BMS110 Section A/D/Z Fall 2011 20. What is aneuploidy and polyploidy and how do they differ? 21. What is nondisjunction and what does it result in and when does it occur in the cell cycle? 22. What is monosomy and trisomy? 23. What is an example of trisomy? 24. What are the 4 disorders that occur due to nondisjuction of the sex chromosomes? 25. What syndromes correspond to XO, XXX/XXXX, XXY, and XYY; what are the phenotypes of each of these individuals? 2...
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