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【多选题】
21-三体综合征的核型可为( )A.
46，XX(或XY)/47，+21
B.
46，XX(或XY)，-21，+t(21q21q)
C.
46，XX(或XY)，-14，+t(14q21q)
D.
47，XX(或XY)，+21
E.
47．XXY
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