Lactose

https://www.youtube.com/watch?v=MA9boI1qTuk

The above link is the only source to be used for this assignment.

Each question can be answered in just a sentence or two:

1. After a lactose-intolerant baby is weaned from its mother’s milk, what happens when it tries to drink milk?

2. What, specifically, causes someone to be lactose tolerant (also called lactase persistent)?

3. In which parts of the world is lactase persistence more common and what is the connection between the domestication of livestock and the prevalence of lactase persistence?

4. In the case of lactose tolerance is the trait of being able to digest milk always due to the same genetic mutation? Explain.

5. How long have some populations been able to digest milk? Did it happen at the same time everywhere?

6. What did you find most interesting or most surprising in this video?

(Please answer these questions in number format.
1.
2.
3.
etc…)