某AD病患者的适合度为0.2，致病基因突变率为0.4×-6/（基因·代），致病基因的频率为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24544' and id < 2107808 and id<>'2107808' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24544' and id > 2107808 and id<>'2107808' order by id asc limit 5