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[求助] 求问有关构建系统发育树的问题???

我送了一株菌去鉴定,鉴定结果只告诉了我跟蜡样芽孢杆菌(Bacillus cereus)的16S rDNA 序列同源性为99%,请问这样我怎么构建系统发育树?


看了有些资料说要先比对出序列结果,这个我不太懂,是我要再做PCR测出相应的序列吗?
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