限制性等位片段;
Shanxi White pigs were proved to be polymorphic at three restriction sites, and allele frequencies of H, D and B were 0.7595, 0.2476 and 0.2423, respectively.
培育中的品系山西白猪在三个位点均表现出多态性。等位基因H的频率较高,达0.7595,等位基因D、B的频率较低,分别为0.2476和0.2423。
纳米英语 · 双语娱乐资讯
纳米英语 · 日常口语
纳米英语 · 高考英语
纳米英语 · 英语口语