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15 Cards in this Set
- Front
- Back
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Charles Darwin
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- 1809-1882
- *Origin of Species* Theory of Evolution (1859) - Survival of the Fittest - Natural Selection |
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DNA
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- deoxyribonucleic acid
- genes, the building blocks for every process in the human body |
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chromosomes
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- store the genes/DNA
- located in cell nucleus |
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genome
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catalog of all human genes
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dominant
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a gene will exert its effect regardless of whether the other member of the gene pair is different
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recessive
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gene will only display effects if the gene in the pair is the same
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polygenic inheritance
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an organism's attributes are influenced by a large number of gene pairs
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genotype
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the genetic blueprint of an organism
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phenotype
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the organism's actual characteristics
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Evolution via Natural Selection
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Darwin's theory that some individuals are "selected" by the invironment as more fit, or better adapted, for their life circumstances. Survival of the Fittest
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Claude Bernard
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- 1813-1878
- the first to emphasize that every organism has both an external and internal environment |
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homeostasis
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"equal state", a process that involves many mechanisms
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negative feedback
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changes that are produced by an action but which are then used to stop, or even reverse, that action
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endotherms
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organisms that maintain stable body temperatures, all mammals
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ectotherms
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variable internal temperature, not mammals
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