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18 Cards in this Set
- Front
- Back
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ALLELE |
alternate form of a gene |
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AUTOGENESIS |
evolution of a new feature from an existing feature |
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ANAGENESIS |
evolutionary change associated with the transformation of one species into another |
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ANALOGOUS |
similarity as a result of adaptations to similar selection pressures |
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ALLOPOLYPLOIDY |
doubled chromosome number resulting from hybridization |
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APOMORPHIC |
derived character |
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ALLOPATRIC |
populations from different geographic areas |
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AUTOPOLYPLOIDY |
one species doubles its chromosome number through non-disjunction |
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GENETIC DRIFT |
random change in allele frequencies leading to loss or fixation of alleles |
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DIPLOIDY |
combines alleles from parental gametes |
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HOMOLOGY |
similarity due to common ancestry |
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GENETIC RECOMBINATION |
a mixing of alleles resulting from meiosis |
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MUTATION |
an insertion, deletion or change of nucleotides at a locus |
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FOUNDER EFFECT |
a small group becomes isolated from the parental population |
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GENE FLOW |
movement of alleles between populations |
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BOTTLENECK EFFECT |
sudden reduction in population size |
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MICROEVOLUTION |
a change in alleles frequencies in populations over time |
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HETEROCHRONY |
a difference in the timing or rate of development |
