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Evolution Chapter 10

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Across
1.The mutation rate to alleles that do not affect fitness
5.The principle that the founders of a new population carry only a fraction of the total genetic variation in the source population:
8.In science, the inability to predict a particular outcome, because physical causes can result in any of several outcomes:
10.Attainment of a frequency of 1 (i.e., 100 percent) by an allele in a population, which thereby becomes monomorphic for the allele
13.A local population; usually, a small, panmictic population:
18.Derivation of the gene copies in one or more populations from a single ancestral copy, viewed retrospectively (from the present back into the past):
19.genetic drift causes this in a population over time
21.Random changes in the frequencies of two or more alleles or genotypes within a population
22.Responsible for discovery of neutral theory
23.affects effective population size
Down
2.The effective size of a real population is equal to the number of individuals in an ideal population (i.e., a population in which all individuals reproduce equally) that produces the rate of genetic drift seen in the real population
3.A set of local populations, among which there may be gene flow and patterns of extinction and recolonization:
4.A view of molecular evolution that postulates that although many mutations are deleterious, and a few are advantageous, most molecular variation within and among species is selectively neutral:
6.In reference to a gene, an interaction that reduces the rate of a protein’s evolution
7.Random fluctuation in allele frequency
9.Researched house mice allozymes, discovered genetic drift is weaker than gene flow in larger poplulations
11.Evolution that does not equip organisms for reproduction and survival:
12.Alleles that do not differ measurably in their effect on fitness
14.Random variation, meaning the likelihood that proportions of different kinds of items (e.g., alleles) in a sample are likely to differ, by chance, from the proportions in the set of items from which the sample is drawn:
15.In molecular evolution, a statistical test used to compare between-species divergence and within-species polymorphism at non-synonymous and synonymous sites:
16.A severe, temporary reduction in population size
17.probability an allele will go to fixation is the...
20.probability an allele will go to fixation in a population
21.What proportion of genetic variation is attributable to allele frequency in different populations

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