Some multifactorial traits are determined by many interacting genes, each of which may have several alleles. If such a trait is measured in a population, what phenotypic pattern is expected?
A) All individuals will have the same phenotype.
B) Two types of individuals will exist, and most will have the dominant phenotype.
C) Different individuals will each have one of a few discrete phenotypes.
D) The population will have continuous variation in phenotypic expression.
D) The population will have continuous variation in phenotypic expression.
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Migration, genetic drift, and mutation are like natural selection in that they:
A. result in evolution of a population. B. may alter the allele frequency in a population. C. may alter the genotype frequency in a population. D. are all methods of evolutionary change. E. All of the answer options are correct.
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a. 3 b. 12 c. 28 d. 64 e. 120
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