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Biology, 18.11.2019 06:31, carmencolon119
Sickle cell disease provides an example for which principle of molecular genetics?
a. a point mutation always causes a significant change in phenotype.
b. a point mutation always causes a change to an amino acid sequence, which may affect phenotype.
c. a significant change in phenotype may cause a genetic mutation.
d. a change to one amino acid in a protein may cause a significant change in phenotype.
nevermind the answer is d.
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Biology, 21.06.2019 19:00, sa12340
4.06 hc)a five-year review of threats to the southern resident orca population of the united states concluded that the top threats were prey availability, contaminants, and effects from recreational and whale watching vessels. further down the list are oil spills, disease, and effects from commercial vessels not targeting whales. how might this list be different if it were for transient whale populations, which have a larger average population size and live farther offshore in open waters? a)the transient population is more likely to be affected by contaminants. b)the transient population is less likely to be affected by whale watching vessels. c)the transient population is more likely to be affected by disease. d)the transient population is less likely to be affected by prey availability.
Answers: 1
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