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100_review_exam_3_part_1

100_review_exam_3_part_1 - Biology 100 Human Biology Spring...

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Biology 100 – Human Biology Spring 2010 REVIEW SHEET FOR EXAM #3 (part 1) Disclaimer: You will be tested for your understanding of all material covered in lecture and on the following specific textbook pages : p. 191 (malaria and sickle cell anemia), p. 276 (antibiotic resistance), pp. 473-474 (genetic diseases), p. 490 (blood typing), and pp. 491 and 494-497 including Fig. 20.7 (hemophilia and other X-linked genes; Y-linked genes). 1. Define: autosome, sex chromosome, homologous chromosome pair. How many of each of these are in a human skin cell? 2. Define: gene locus, allele, homozygous (homozygote), heterozygous (heterozygote), genotype, phenotype, complete dominance, incomplete dominance, codominance, recessive, carrier, autosomal vs. X-linked. 3. Be able to do “genetic problems” using Punnett squares. Some sample problems in the text (answers in back of book): pp. 483-484 #7-14 and p. 507 #2-4 and #10-11. The following are some additional “practice problems”: 1. Cystic fibrosis (CF) is inherited as an autosomal recessive trait. Two carriers mate.
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