Which of the following describes changes to the genetic material, but not the genetic sequence, that can be passed on to the next generation?
A. Epigenetic
B. Mutation
C. Chromosomal damage
D. Polyploidy
E. Cancer
Answer: A
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When an atom or molecule gains one or more electrons, it is said to be:
A. energized. B. oxidized. C. polarized. D. reduced.
Sister chromatids connect at a region of DNA called the centrosome
a. True b. False
The eukaryotic transcription initiation complex is (check all that apply)
A. only associated with RNA polymerase I. B. transcription of virtually all genes transcribed by RNA pol II requiring the same suite of general factors. C. interactive with activators through DNA looping. D. responsible for highly regulated transcription levels. E. a basal factor associated with RNA pol II after positioning RNA pol II at the start site.
The "confusion effect" occurs ____.
A. when one animal flees a threat and others in the group do the same B. when animals group and present a solid front to predators C. when there is a “selfish herd” D. in a hierarchal living group E. in the mimicking of another species to escape predation