A promoter mutation of a globin chain gene in thalassemia has which effect on the globin chain?
a. Amino acid change
b. Change to a longer globin chain
c. Change to a shorter globin chain
d. Reduced or absent production
Correct Answer: D
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Life expectations vary depending on:
A) genetic factors. B) social factors. C) economic factors. D) all of the above.
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For the AP projection of the chest taken at an SID of 72 inches, always angle the CR perpendicular to the IR.
Answer the following statement true (T) or false (F)
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