某一个体的体细胞中染色体的数目比二倍体多了3条，称为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24545' and id < 2107644 and id<>'2107644' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24545' and id > 2107644 and id<>'2107644' order by id asc limit 5