| 词汇 | polymorphism |
| 释义 | polymorphism noun uk /ˌpɒl.iˈmɔː.fɪ.zəm/ us /ˌpɑː.liˈmɔːr.fɪ.zəm/ [ U ] science specialized the fact that something such as an animal or organism can exist in different forms: 多晶现象，多形态;多态性 Compounds that exist in more than one crystalline form are said to exhibit polymorphism. 以一种以上的结晶形式存在的化合物展示了多晶现象。 [ C ] biology specialized a geneticvariation: 遗传变异 a polymorphism that may have protected ancestral populations from a form of malaria 一种可能曾保护祖先免受疟疾侵袭的遗传变异 Categories and varieties bad/big boyidiom breed categoric categorical category classification derivative form hue mark misclassification model new breed run shade sort stratification subcategory substance update You can also find related words, phrases, and synonyms in the topics: Animal & plant biology - general words Genetics Examples of polymorphismpolymorphism The present study evaluated the genetic diversity, structure and differentiation in a grape germplasm collection using polymorphisms at eight microsatellite loci. Interestingly, patterns of polymorphisms in pfcrt have been correlated with geographical location. In total, 70 % of unique polymorphisms checked in a second clone were confirmed as true polymorphisms. In this review, we discuss the currently known polymorphisms in helminths generally, and then proceed to consider the filarial nematodes in particular. Characterization of single nucleotide polymorphisms in coding regions of human genes. Table 1 lists the platelet glycoprotein antigen polymorphisms and their relation to clinical disease. The possible functional implications of the analysed polymorphisms are considered. Accounting for human polymorphisms predicted to affect protein function. Contrasting evolutionary forces driving population structure at expressed sequence tag polymorphisms, allozymes and quantitative traits in white spruce. Only biallelic polymorphisms (both point mutations and indels) are included. While this obviously means that most polymorphisms are non-lethal, they could still have subtle implications for human health. Testing for these polymorphisms is relatively simple and cheap. None of the polymorphisms was shared or fixed between the two chromosomal types. Genetic load in natural populations : is it compatible with the hypothesis that many polymorphisms are maintained by natural selection ? Instead, neutrality tests produced significantly negative test statistics, reflecting an excess of singleton polymorphisms. See all examples of polymorphism These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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