1 A) community B) population C) neighborhood 2 A) gametes B) zygotes C) gene pool D) phenotype 3 A) one B) three C) five D) seven 4 A) homozygous dominant B) homozygous recessive C) heterozygous 5 A) mutation B) natural selection C) gene flow D) nonrandom mating 6 A) gene flow B) genetic mutations C) natural selection D) random mating 7 A) 0.2 B) 0.4 C) 0.6 D) None of these 8 A) 0.2 B) 0.4 C) 0.6 D) 0.8 9 A) microevolution B) artificial selection C) industrial melanism D) None of these 10 A) beneficial B) neutral in its effect C) harmful D) All of the above 11 A) is the result of a change in the nucleotide sequence of DNA B) among populations increases the rate of speciation C) tends to decrease the genetic diversity among populations D) All of these 12 A) The attraction of female Raggiana birds to a male Raggianas with an elaborately colored plumage B) Tall humans mating with other tall humans C) Inbreeding D) All of these 13 A) sexual selection B) assertative mating C) random mating D) None of these 14 A) the bottleneck effect B) disruptive selection C) gene flow D) random mating 15 A) stabilizing selection B) sexual selection C) the founder effect D) industrial melanism 16 A) stabilizing B) directional C) disruptive D) None of these 17 A) variation B) inheritance C) differential adaptedness D) differential reproduction 18 A) two different phenotypes, snails with dark shells and snails with light-banded shells B) one intermediate phenotype, snails with mottled shells C) a larger number of snails with dark shells D) None of these 19 A) homozygous dominant B) heterozygous C) homozygous recessive D) None of these 20 A) monogamy B) marriage C) polygamy D) None of these
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