近来对人的染色体的研究进展很快。但目前对染色体的了解还是在很粗糙的阶段。观察染色体比起制做清晰的标本还要容易些。现在可以采取周围血液,将红血球除去后,取白血球做短期的培养。经过制片,可以观察白血 Recent research on human chromosomes has progressed rapidly. But now the understanding of chromosomes is still very rough stage. Observing chromosomes is easier than making clear specimens. Now you can take the surrounding blood, remove the red blood cells, take white blood cells to do short-term culture. After filming, you can observe white blood