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14 Cards in this Set
- Front
- Back
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When a population is at genetic equilibrium, no ______________ is occurring. |
When a population is at genetic equilibrium, no Evolution is occurring. |
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The frequency of a dominant trait is represented by : ____ |
the letter p |
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p squared represents the proportion of individuals who are _________________. |
homozygous dominant individuals |
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2pq represents the proportion of individuals who are _______________. |
heterozygous individuals or carriers |
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q squared individuals represent the portion of ________ ______________ individuals. |
homozygous recessive |
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What is microevolution? |
the change in allele frequencies the occurs over time within a population. |
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What is a mutation? |
a change that occurs in the DNA of an individual. |
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What is gene flow? |
the net movement of alleles from one population to another due to migration. |
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What is Non-Random Mating? |
mating among individuals on the basis of mate selection for a particular phenotype or due to inbreeding, rather than mating on a random basis. |
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What is Genetic Drift? |
change in allele frequencies due to chance events in a small breeding population. |
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What is the founder effect? |
gene pool change that occurs when a few individuals start a new, isolated population |
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What is the bottleneck effect? |
gene pool change that results from a rapid decrease in population size. |
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What is selective advantage? |
characteristic that improves an organisms chance of survival, usually in a changing environment; the result of mutations. |
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What is heterozygote advantage? |
retains some re |
