Download Phenotypes030206

More Introduction to Drosophilia
melanogaster!
Bell Work: (use glossary in Bio Textbook)
Phenotype –
Genotype –
Phenotypes
READ the bottom of page 14, “Genetic Notation & Phenotypes”, through page 18
(up to “Experimental Crosses”) and examine photos on page 15 and diagrams on 16.
1. If a fruit fly has red eyes and other normal characteristics it is called
____________________ and is designated by a _________ .
2. A fruit fly with vestigial wings is designated by _________.
3. Describe how normal wings (+) compare to vestigial wings.
4. What are some other mutant phenotypes? (List and briefly describe 4 others)
5. Your teacher will give you 3 vials of fruit flies to look at. Even though they are
tiny, you should be able to detect the different phenotypes. Describe the 4 phenotypes
below based on what you see. (Look at eyes and wings!)