Print this Web Links Activity Log to record your findings. In order to view and print these activities, it is necessary to have Adobe Acrobat Reader. If you do not have this, get the free download now.   Click the Techie Toolbox for tips and help to make the most of your time on the Web. Chapter 14: Patterns of Heredity  Exploratorium Digital Library, Exploratorium Exhibits, Mutant Fruit Flies To access this site, follow the link then scroll down the page and click on Mutant Fruit Flies. View the images of normal and mutated flies. How many chromosomes does a fruit fly have in each of its cells? Sex-Linked Inheritance Problem Set Test your knowledge by attempting to answer these questions on determining sex-linked inheritance. Feedback will be provided. Sex-linked Inheritance Problem Set, The Biology Project, Mendelian Genetics Problems in Mendelian genetics involving sex-linked traits.