题目内容
Down综合征为什么染色体数目畸变
2021-09-28
A.单体型
B.三体型
C.单倍体
D.三倍体
E.多倍体
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='24545' and id < 2107679 and id<>'2107679' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24545' and id > 2107679 and id<>'2107679' order by id asc limit 5