Both extremes of an array of phenotypes are favored in ________.
A. disruptive selection
B. genetic drift
C. directional selection
D. stabilizing selection
E. gene flow
Answer: A
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Cytokinins are plant hormones that usually affect cell
A. elongation. B. growth. C. division. D. wall expansion. E. turgor pressure.
The above figure demonstrates
a. imprinting behavior. b. displaying instinctive behavior. c. feeding a social parasite. d. a learned behavior. e. all of these.
In general, the first signs of puberty occur earlier in life for girls than for boys
Indicate whether the statement is true or false
In E. coli, what is the function of DNA polymerase III?
A) to unwind the DNA helix during replication B) to seal together the broken ends of DNA strands C) to add nucleotides to the end of a growing DNA strand D) to degrade damaged DNA molecules