1. Can you think of any characteristics or traits you may have that could be affected by the environment?

2. Hair Color

3. Skin Color

4. Poinsettia Color

5. Tobacco Seedling Color

6. Human Height

7. Lung Function (especially those with a predisposition for lung cancer)

8. Human Liver

9. Multifactoral inheritance
The phenotype is a result of an interaction between your genotype and certain environmental factors
The expression of most genes is influenced by environmental conditions
Examples:
Diabetes
Height
Heart Disease
Can inherit a predisposition to all of these diseases or characteristics
Their development (phenotype) is influenced by environmental factors such as proper nutrition, exercise, quality medical care, etc