03 lecture

03 lecture - Lecture 3: Science and hypothesis testing The...

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1 Lecture 3: Science and hypothesis testing The usefulness of science Medicine Agriculture Criminology Evaluating unusual claims Evolution in the news Extinct South American rodent may have weighed 2000 lbs. Evolutionary genetics in the news Pacific Islanders not related to Melanesians but to East Asians Polynesian Melanesians
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2 Genetics in the news Genes linked to the immune disease (lupus) have been identified Genes of 720 women afflicted by lupus compared with genes of 2337 without lupus = 3 genes consistently differ between groups, including gene ITGAM 17 months after major oil spill , sea gulls in area have twice the “normal” concentrations of pollutant hydrocarbons in their blood” Ecology in the news 1. Fossil rodent discovered 2. Polynesians not closely related to Melanesians 3. Three genes linked to lupus 4. Gull blood has high concentration of pollutants 17 months after oil spill took place How many of these studies were probably based on a causal question rather than a descriptive question? A. 1, B. 2, C. 3, D. 4 1. Fossil rodent discovered What did extinct animal look like? 2. Polynesians not closely related to Melanesians Why do Polynesians look different from Melanesians? 3. Three genes linked to lupus Why do some women get lupus? 4. Gull blood has high concentration of pollutants 17 months after oil spill How long do pollutants persist in area where oil spill occurred?
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3 1. Fossil rodent discovered What did extinct animal look like? Descript.
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03 lecture - Lecture 3: Science and hypothesis testing The...

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