Biology
Chapter 7 Review Name___________________________
The test for this chapter will be worth around 80 points.
Answer the following on another sheet of paper.
1. What are autosomal genes?
2. What type of genotype does a carrier of a recessive disorder have?
3. Are disorders common among dominant alleles?
4. Explain IN DETAIL why males are more affected by sex-linked disorders than females.
5. Draw a punnett square for cross between a female red-green color blindness carrier and a normal male.
6. What is incomplete dominance?
7. Give an example of incomplete dominance.
8. What is codominance?
9. Give an example of codominance.
10. What are polygenic traits?
11. Give an example of a polygenic trait.
12. What is an epistatic gene?
13. Give an example of how phenotype is from a combination of genotype and the environment.
14. Who determined that linked traits are on the same chromosome?
15. Why is the inheritance of many traits complex in humans?
16. What is a pedigree chart?
17. Answer 26-27 from page 208 of the text.
18. What is a karyotype?
19. What is the benefit of making a karyotype?