adj. extrachromosomal
质粒是在原核和真核细胞中发现的染色体外的双链环状DNA分子。
Plasmids are exta - chromosomal doublestranded, circular DNA molecules found in prokaryotic and eukaryotic cells.
四倍体育种中染色体组操作的结果除了产生整倍体外，还产生大量的非整倍体。
Manipulation of chromosome in tetraploid breeding resulted in not only euploids, but also a great many aneuploids.
目的研究烹调油烟冷凝物对离体外周血淋巴细胞染色体畸变率和微核率的影响。
Objective To investigate the effects of cooking oil fume condensate on the frequencies of chromosome aberration and micronucleus of peripheral blood lymphocytes.
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