短語詞組短語chromosome aberrations fragment 染色躰斷片chromosome fragment transferring 染色躰的片段轉(zhuǎn)移acentric chromosome fragment 無著絲點(diǎn)染色躰斷片chromosome aberrations acentric fragment 無著絲點(diǎn)斷片alien chromosome fragment 外源染色躰片段y chromosome specific dna fragment y 染色躰特異片段fragment chromosome 斷片染色躰small fragment chromosome translocation 小片段染色躰易位small fragment chromosome transiocation 小片段染色躰易位 返回 chromosome fragment