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Definition
The total number of genetic characteristics within a species. |
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Definition
Random changes in DNA sequence; a cause of genetic diversity. |
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Definition
Random changes in allele frequencies. |
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Definition
Reduces variation, increases risk of genetic disorders; a threat to genetic diversity. |
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Term
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Definition
Cell division that produces four daughter cells. Crossing over (exchange) stage of meiosis is a cause of genetic drift |
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Term
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Definition
A version of a gene that occurs at a specific location on a chromosome. |
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Definition
Organisms that are better adapted to their environment tend to survive and reproduce more successfully. |
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Term
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Definition
The process of change in living organisms over generations driven by natural selection. |
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