ANTH 002 Lecture Notes - Lecture 7: Lactose Intolerance, Lactase, Disaccharide
9 Jun 2020
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Cultural environments are continuously modified by their activities. Evolutionary processes can be understood only within cultural context Cut trees and burn it, allowing minerals to be absorbed again. This agricultural practice in africa resulted in rain water pooling and allows mosquitos to thrive Estimate origin of hbs mutation in this group at 1,250 to 2,100 ya. Some areas, malaria began to have an impact on human population. Adaptation: ddt-resistant strains resulting in ddt-resistant mosquitos bad. Young children are able to digest milk. But humans are the only animals to drink milk into adulthood. Not all humans are capable, it is the ancestral state a trait passed on. Not all human populations have ability to digest lactose into adulthood. Lactase: enzyme that breaks down the bond btw the 2 so you are able to digest the milk effectively. Most mammals, gene that codes for lactase production switches off at adolescence.
