本次研究结果表明桤木属物种间染色体数目有明显的差异，同一物种不同居群间也有差异存在，而且可能有自然加倍现象；
The results suggested that obvious difference of chromosome number appeared among these Alnus species, even in the same species from different population, and spontaneous polyploidy might occur.
结果表明不同地理居群的同种蛙有相同的染色体数和核型模式。
The results demonstrate that the same species of different geographical populations have the same amount of chromosome and karyotypic formulae.
端粒克隆、着丝粒克隆以及重叠群之间空缺的大小都经过粗线期染色体荧光原位杂交鉴定。
BAC clones corresponding to telomeres, as well as to the centromere position and the gap sizes between contigs, were determined by BAC-pachytene chromosome fluorescence in situ hybridization (FISH).
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