这项此前在爬行动物界未被确认的发现，意味着“这些蜥蜴具有区分同源的姊妹染色体的能力，”鲍曼说。
This discovery, which had until now been unconfirmed in the reptile world, means that "these lizards have a way of distinguishing sister from homologous chromosomes, " Baumann says.
根据《经济学人》姊妹公司经济学人智库的研究，今年巴西将取代英国成为世界第六大经济体。
According to the Economist Intelligence Unit, a sister company of the Economist, this year Brazil will overtake Britain to become the sixth largest economy in the world.
用姊妹染色单体互换(SCE)技术检测23例恶性肿瘤患儿的染色体稳定性。
Chromosomal stability were detected in 23 children with malignancy by the technique of sister chromatid exchange (SCE).
静脉采血检测染色体畸变、姊妹染色单体交换（SCE）、细胞微核的发生率。
The mean frequencies of chromosome aberration (CA), sister chromatid exchange (SCE), and micronucleus(MN) were analysed.
研究发现，SO_2及其衍生物可引起人外周血淋巴细胞、小鼠骨髓细胞、中国仓鼠肺成纤维细胞等哺乳动物细胞的染色体畸变、姊妹染色单体交换及微核的形成。
Several studies have shown that SO2 and its derivatives could induce chromosomal aberrations, sister chromatid exchanges and micronuclei in human blood lymphocyte, bone marrow cell in mice and CHL.
研究发现，SO_2及其衍生物可引起人外周血淋巴细胞、小鼠骨髓细胞、中国仓鼠肺成纤维细胞等哺乳动物细胞的染色体畸变、姊妹染色单体交换及微核的形成。
Several studies have shown that SO2 and its derivatives could induce chromosomal aberrations, sister chromatid exchanges and micronuclei in human blood lymphocyte, bone marrow cell in mice and CHL.
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