Natural Selection + Evolution
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13 Terms
What is lactose?
disaccharide sugar found in milk
How is lactose broken down?
broken down by lactase into glucose + galactose
How is lactose intolerance triggered?
undigested lactose enters the large intestine
What is natural selection?
process by which random evolutions are selected by nature non-randomly
What mechanism of evolution does the thumb represent?
natural selection
What mechanism of evolution does the pointer finger represent?
gene flow
What mechanism of evolution does the middle finger represent?
mutation
What mechanism of evolution does the ring finger represent?
non-random mating
What mechanism of evolution does the pinky finger represent?
genetic drift
According to case study 7, what was the reverse cause hypothesis?
humans already had the LP gene, and dairying came after
According to case study 7, what was the culture-historical hypothesis?
after dairying arose, the LP gene was selected for
Case study 7 included fossils from mesolithic, neolithic, and medieval populations. What is the correct order from oldest to newest?
neolithic, mesolithic, medieval