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15 Cards in this Set
- Front
- Back
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Where the mean value of the trait is shifted towards one extreme over the other.
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directional selection
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Where selection favors individuals near the mean at the expense of the two extremes.
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stabilizing selection
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Where selection favors both extremes simultaneously, although not necessarily to the same degree.
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disruptive selection.
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Heritability is an essential feature of...
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natural selection.
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... are units of inheritance.
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Genes
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DNA is contained in...
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chromosomes.
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Chromosomes come in matched pairs called...
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homologous chromosomes.
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Genes form the informational units of...
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DNA
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The position an allele occupies on a chromosome is called the...
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locus.
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The sum of hereditary information carried by an individual...
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Genotype
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The sum of genetic information across all individuals in a population.
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gene pool
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Genetic variation is the essential ingredient for...
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natural selection.
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Inheritable changes in a gene or chromosome are called...
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mutations.
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Most changes in phenotypic characters are attributable to changes in... and ...
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enzymes and proteins.
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Point mutations are chemical changes on...
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a single base pair.
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