38 CHAPTER 5 



5.6. Discuss the occurrence of dominance with respect to blood group types. 



5.7. Why was it necessary to assume that a gene may have more than two allelic forms? 



5.8. A baby has blood type AB. What can you tell about the genotypes of its parents? 

 What would you predict about the blood \ypes of children it will later produce? 



5.9. If one parent is A. blood type and the other is B, give their respective genotypes if 

 they produced a large number of children whose blood types were: 



a. All AB. 



b. Half AB, half B. 



c. Half AB, half A. 



d. 'i AB, '^ A, •:, B, 'i O. 



5.10. Give examples in man of complete, partial, and no dominance. 



5.11. Is the occurrence of complete dominance helpful in determining the genie basis of 

 alternatives for a given trait? Explain. 



5.12. What do you suppose is meant by multiple allelism? 



5.13. Have you learned anything new about genie properties from this Chapter? Justify 

 your answer. 



