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13 Cards in this Set
- Front
- Back
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Incorrect number of chromosomes |
aneuploidy |
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the cause of aneuploidy no separatioin. paired chromosomes or sister chromatids don't split |
non-disjunction |
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Change in gene frequency of population over time Natural selection |
Evolution |
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living Give examples |
Biotic examples: competition and predation |
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Non-living Give examples |
Abiotic Examples: climate, weather, and events |
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individuals with favorable traits product more offspring in lifetime than those with less favorable traits and leads to change |
natural Selection |
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study of interrelationships of organisms and environment... affecting their distribution and abundance |
Ecology |
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groups of individuals of same species in area that potentially interbreed |
Population |
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process by which one species becomes 2 or more |
speciation |
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same basic structure = common origins (ancestors) but now have different function |
Homologous structure |
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Structure that have no function for organism today |
Vestigial |
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Organisms, cells, & molecules are modified to achieve practical benefit |
Biotechnology |
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Manipulation of organisms genetic material |
Genetic engineering |
