Which of the following occurs due to chance events that change the allele frequencies in small populations?
A) Gene flow
B) Genetic drift
C) Sexual selection
D) Stabilizing selection
E) Coevolution
B
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The TATA box is a key element of the ____ of most eukaryotic protein-coding genes
a. terminator b. coding region c. promoter d. transcription start point e. introns
A male fish has changed into a female fish. What kind of hermaphroditism occurred?
a. Synchronous b. All of these choices c. Protogyny d. Protandry
A true berry is described or exemplified by all
of the following except one. Select the exception.
a. they are fleshy fruits. b. they form from a single ovary. c. an example is a pumpkin d. an example is a raspberry e. an example is a grape
Dead and injured white blood cells are removed from circulation by the
A) spleen. B) tonsils. C) red bone marrow. D) kidney. E) thymus.