54.下列何種形式的染色體變異可供分析的時間最長久,即曝露後幾十年仍可觀察到?
(A)無中節片段型(acentric fragment)
(B)環型(rings)
(C)雙中節型(dicentrics)
(D)交換型(translocation)
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統計: A(124), B(145), C(656), D(810), E(0) #2865102
統計: A(124), B(145), C(656), D(810), E(0) #2865102