1. What is the name of the organism used in today's demonstration?
2. What stage of development was the organism in before extraction the salivary gland ?
3. Why was the slide stained ?
4. Was it necessary to use oil on the slide?
5. Name the structures which became visible after the squash.
6. Draw and Label what you are seeing under the microscope.

7. What is this diagram showing ?

8. What do the dark lines on the chromosomes indicate ?