Analysis: Use the information in the video, reading, chart, and graph to help you answer the following questions.

1. Why is measuring blood glucose levels of an indicator of someone’s lactase activity?




2. Divide the individuals into two groups based on their blood glucose test results. Write the names of the individuals in each group.
Group A-
Group B-



3. Explain your rationale for dividing the individuals into the two groups.




4. Based on these data, do you predict that individuals in Group A are lactase persistent or nonpersistent? Describe your evidence.


5. Based on these data, do you predict that individuals in Group B are lactase persistent or nonpersistent? Describe your evidence.




6. If you performed the same blood glucose test on a group of people who are from the Massia population in Kenya, predict whether their results would be more like those in group A or Group B. Explain your prediction.




7. A person taking a blood glucose test is usually told to fast prior to the test. Why do you think that might be necessary?




8. A milk allergy is the result of an immune reaction to one or more of the components of milk, such as the protein casein. Explain how an allergy to milk is different from lactose intolerance.