Sickle cell anemia is a result of which of the following gene mutations?
a) insertion, resulting in frameshift
b) deletion, resulting in frameshift
c) substitution, a single point mutation
d) sickle cell is a result of a chromosomal mutation
Answer: C
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Biology
- The osmoregulatory/excretory system of a freshwater flatworm is based on the operation of _____.
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- SAM is a methyl donor in the synthesis of ______.
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