1. There was obvious polymorphism on morphology of L. regale within populations and the polytypism among populations.
   形态变异居群内具明显的多态性，居群间具多型性。
2. Objective To investigate the relationship between haptoglobin(HP) genetic polymorphism and acute leukemia.
   目的探讨血清结合珠蛋白的遗传多态性与白血病的关系。
3. Phylogenesis of 48 tobacco germplasms from different countries or regions was analyzed with amplified fragment length polymorphism (AFLP).
   摘要利用AFLP技术，对48份不同类型和地域来源的烟草种质的亲缘关系进行了分析。
4. Y chromosome has two types of polymorphism:metacentric (or submetacentric) and acrocentric chromosomes.
   染色体有中部(或亚中部)和近端着丝粒染色体。
5. It also briefly summarized the relationship between susceptibility to benzene-induced hematotoxicology and polymorphisms of these enzymes studied in recent years.
   同时对近年来这些易感性标记物的多态性与苯致血液毒性关系的研究进展作简要综述。
6. Insect melanism is one of the common polymorphism in nature, and has become classical study system for species evolution and adaptability.
   昆虫黑化是自然界中普遍存在的一种多型现象,也成为揭示物种在自然界中进化与适应的经典范例。
7. Though the hands of globin had better polymorphism, the electrophoretogram was so fuzzier that it affected the accuracy of identifying the rape varieties.
   球蛋白谱带虽然多态性较好，但图谱较为模糊，从而影响到品种鉴别的准确性。
8. Both MSAP (methylation sensitive amplification polymorphism) ratio and full methylation level were the highest in bracteal leaf, and the lowest in tassel.
   同一组织在两个自交系中的甲基化水平也存在差异。
9. Intraspecific nucleotide polymorphism in the drought induced transcription factor CBF4 region of Arabidopsis thaliana was analyzed with 17 core accessions growing in different ecoclimate.
   摘要 以生长于不同气候条件下的17个拟南芥核心生态型为材料，分析了它们的抗旱转录因子CBF4 基因区域的序列多态性。

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