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1
Which of the following might be modern updates on the theory of natural selection?
A)An organism's capacity to overproduce results in surplus organisms.
B)Selecting agents favor individuals with the best combination of genes.
C)Resources are in short supply, so some individuals will do without.
D)All of the above.
2
The Darwin-Wallace theory of natural selection differs from Lamarck's ideas in that
A)Lamarck understood the role of genes and Darwin and Wallace did not.
B)Lamarck assumed that characteristics obtained during an organism's lifetime could be passed to the next generation, Darwin and Wallace did not.
C)Lamarck did not think that evolution took place, Darwin and Wallace did.
D)Lamarck developed the basic ideas of speciation which Darwin and Wallace refined.
3
Which one of the following is correct?
A)Selecting agents favor individuals with the least frequent combination of good alleles.
B)An organism's ability to over reproduce results in surplus organisms.
C)Disease organisms and predators do not affect survival.
D)Evolution results when there are changes in allele frequency in an individual.
4
A term used to describe how often an allele expresses itself:
A)Penetrance
B)Expressivity
C)Dominance
D)Selectivity
5
Natural selection operates on the total ______ of the organism.
A)genotype
B)genetic makeup
C)number of dominant genes
D)phenotype





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