What is true of the trait whose frequency distribution in a large population appears above? It has probably undergone
A) directional selection.
B) stabilizing selection.
C) disruptive selection.
D) sexual selection.
E) random selection.
Ans: B) stabilizing selection.
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A measure of the decrease in population size due to removal of individuals by disease, predat al causes
A) Skin cancer B) Carbon footprint C) Age structure D) Emigration E) Desertification F) Chlorofluorocarbon G) Ozone H) Carrying capacity I) Density-dependent J) Death rate
Which of the following events do notoccur during spliceosome assembly on pre-mRNAs?
A. U1 snRNP binds to the 5' splice site. B. U2 snRNP binds to the branch point. C. U6 snRNP binds to the 3' splice site. D. U5 snRNP binds to the 5' splice site.
Once milk has gone through the process of pasteurization it is considered sterile.
A) True B) False