Bozeman Genotype Expression Video 053
Name: ___________________ Date: _______
Read through the following questions, go to the following website and use the podcast to answer the
questions.
http://www.youtube.com/watch?v=fPCtvQIStSg
1. Distinguish between a genotype and a phenotype.
2. Explain why the Himalayan rabbit has its characteristic coloration. Mention what gene is being
turned on or off and where and what causes the gene to be turned on or off.
3. What experiment will prove that the hair color is due to an environmental factor?
4. Make a concept map of the terms environment, traits, genotype and phenotype. Add arrows
between the terms and label each arrow with a description of the relationship between the terms.
5. Explain the pathway of molecules that lead to the Arctic fox being white in color. Start in the brain.
6. Explain the pathway of molecules that lead to the Arctic fox being brown in color. Start in the brain.
7. What causes hydrangeas that are genetically identical to have either pink or blue flowers? Be sure
to mention two environmental conditions.
8. What is an operon?