题目内容
染色体发生非整倍性数目改变的原因包括
2021-09-28
A.染色体丢失
B.姐妹染色单体不分离
C.染色体插入
D.染色体缺失
E.同源染色体不分离
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SQL Error: select id,body,options from ***_enewstiku where sourceid='24545' and id < 2107664 and id<>'2107664' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24545' and id > 2107664 and id<>'2107664' order by id asc limit 5