55. Why would a scientist choose to use DNA analysis rather than isozyme analysis when investigating genetic variations?
(A) Smaller sample size can be used for DNA analysis.
(B) Repeat sampling over a period of time is possible.
(C) Non-injurious to the organism.
(D) Non-lethal.
(E) All of the choices are correct.

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統計: A(6), B(7), C(1), D(1), E(36) #2055732