Which of the following refers to the movement of a piece of one chromosome to another nonhomologous chromosome?
A) inversion
B) translocation
C) deletion
D) duplication
E) monosomy
Ans: B) translocation
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The transduction pathway that activates systemic acquired resistance in plants is initially signaled by _____
A) antisense RNA B) Pfr phytochrome C) salicylic acid D) abscisic acid E) red, but not far-red, light
Speciation is the divergence of two populations from a common ancestor. How does it contribute to biological diversity?
A. Speciation increases biological diversity. B. Speciation decreases biological diversity. C. Speciation has no effect on biological diversity.
From an evolutionary perspective, behavior can be viewed best as:
a. not subject to the normal evolutionary process because it involves a neurological system. b. a trait that can satisfy the three conditions required for evolution by natural selection. c. something that is too complex to arise through natural selection. d. Both b) and c) are correct. e. All of the above are correct.
Normal cell division requires
A) inactivated proto-oncogenes and activated tumor suppressor genes. B) inactivated proto-oncogenes and inactivated tumor suppressor genes. C) activated proto-oncogenes and activated tumor suppressor genes. D) activated proto-oncogenes and inactivated tumor suppressor genes.