The above BAC clones of 20 chicken genes were hybridized by FISH with duck and ostrich metaphase chromosomes prepared from embryo fibroblasts.
将上述定位的鸡的20个功能基因的BAC克隆分别与利用胚胎成纤维细胞制备的鸭和鸵鸟的中期染色体杂交。
The ultrastructure of prematurely condensed chromosomes (PCC) in BK cells and the CHO metaphase chromosomes (the PCC inducer) were studied with cell fusion technique and SEM.
应用细胞融合技术和扫描电镜研究了BK(牛肾)细胞早熟凝集染色体(PCC)和诱导PCC的CHO中期染色体的超微结构。
The G-bands at late prophase, prometaphase and metaphase chromosomes have been induced, and the number of G-bands of a cultivar decreases gradually from late prophase to metaphase.
在有丝分裂的晚前期、早中期和中期的染色体都有这样的带纹，同一品种的带纹数目从有丝分裂晚前期到中期逐渐减少。
Based on the results, the clear and accurate DAPI banding karyotype of mouse metaphase chromosomes was established. The technique was considered as a new method in cytogenetics studies of mouse.
由此建立了精确的小鼠中期染色体DAPI带核型图，为小鼠的细胞遗传学研究提供了一种新的方法。
The cells whose chromosomes were dispersed well and in metaphase were selected, and number of chromosomes was counted, and then the morphology of chromosomes was observed.
选择染色体分散良好，无重叠的分散中期的细胞进行记数，观察染色体形态。
The cells whose chromosomes were dispersed well and in metaphase were selected, and number of chromosomes was counted, and then the morphology of chromosomes was observed.
选择染色体分散良好，无重叠的分散中期的细胞进行记数，观察染色体形态。
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