Sequencing involves determining the order of the bases — the chemical units of DNA that are represented by the letters A, C, G and T — in a gene or on a chromosome.
测序涉及确定的基础秩序 - 在基因或染色体 - DNA的是用字母A,丙,G和T代表的化学单位。
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The methods of analysis of the chromosome aberrations mainly include routine staining method, G-banding method and FISH technique.