Diabetes mellitus type 2 (DM2 ) is partly hereditary and, if uncontrolled, can lead to kidney disease and heart failure and an increased risk of stroke and blindness. From this information alone, you could say that DM2 is an example of ________
A) pleiotropy
B) epistasis
C) codominance
D) polygenes
A
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What, if anything, distinguishes learning from memory?
A. Learning is the process of acquiring new information while memory is the retention of that information over time. B. Memory is the process of acquiring new information while learning is the retention of that information over time. C. Both learning and memory are the process of acquiring new information. D. Both learning and memory are the retention of information over time. E. Memory does not require prior learning.
A reaction involving Substance X yields among its products one denoted as XH. What conclusion can be drawn from this fact?
a. Substance X has absorbed a neutron, becoming an unstable heavy isotope. b. Substance X has been reduced after accepting an electron from another reactant. c. Substance X has formed a hydrogen bond with the other reactants in this reaction. d. The products of this reaction are Substance X and a significant amount of heat.
A person with B positive blood will have
A. B antigens, antibodies to A, and no Rh antigens. B. B antigens, antibodies to B, and Rh antigens. C. B antibodies, antibodies to A, and Rh antigens. D. A antigens, antibodies to B, and Rh antigens. E. B antigens, antibodies to A, and Rh antigens.
Roots grow downward and shoots grow upward due to
A) cytokinin. B) ethylene. C) gibberellin. D) abscisic acid. E) auxin.