A rancher genotypes all of her 150 head of cattle. In her herd, 25 are A1A1, 75 are A1A2, and 50 are A2A2
Assuming there is random mating, no selection, no mutation, and no new cows are in-troduced into the population, what is the probability that the A1 allele will be fixed?
a. 0
b. 0.0127
c. 0.4167
d. 0.6588
e. 1
C
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Which of the following is NOT true of passive diffusion?
A. Passive diffusion is the process by which molecules move from an area of high concentration to an area of low concentration. B. Passive diffusion is a spontaneous process. C. Passive diffusion requires the presence of a transmembrane protein. D. Passive diffusion will occur so long as the membrane is freely permeable to the solute. E. Passive diffusion requires no energy.
Sorting of hormones into regulated secretory vesicles in the trans-Golgi network involves
A) mannose-6-phosphorylation. B) formation of large aggregates. C) a KDEL receptor. D) a zymogen granule receptor. E) O-linked glycosylation
Partial or incomplete lysis of RBC's in medial by an organism is called
A. alpha hemolysis B. beta hemolysis C. Gamma hemolysis
________ produces short sequences of RNA, which allows polymerase to synthesize a new strand of DNA.
A. DNA polymerase B. DNA helicase C. DNA topoisomerase D. DNA primase E. DNA ligase