y-chromosome dna

基本解释

Y chromosome fragment was found in the color-recovered skin' DNA.
疱皮组织DNA检查有Y染色体特异性片段。
A chromosome called haplogroup E1b1b (Y-DNA) in their samples is rare in Germany and indeed Western Europe.
这种染色体在德国和西欧很少见，但是在摩洛哥的柏柏尔、阿尔及利亚、利比亚和突尼斯很常见。
edu.sina.com.cn
The team sequenced the same piece of DNA - 10,000,000 or so letters or 'nucleotides' from the Y chromosome - from two men separated by 13 generations, and counted the number of differences.
这个小组以相隔了13代的两个男性为测试对象，在其Y染色体相同区域上选取长约10， 000， 000核苷酸片段进行了测序，并计算了两者之间的差异。