Xem 1-20 trên 716 kết quả Polymorphism
  • Kỹ thuật RFLP là kỹ thuật nghiên cứu tính đa hình chiều dài của các phân đoạn DNA dựa trên điểm cắt các enzim giới hạn. Khi ủ DNA với enzim giới hạn ở dung dịch đệm thích hợp ở pH, nhiệt độ thích hợp sẽ sẽ tạo ra những phân đoạn DNA với kích thước khác nhau, từ đó lập nên các bản đồ gen. Tham khảo chương hai "Kỹ thuật RFLP - Restriction fragment length polymorphisms" để hiểu hơn về vấn đề này.

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  • As Vietnam has rich resources of local chicken breeds, some of them are known having a certain level of infectious disease resistance. Knowledge of the single-nucleotide polymorphism in exon 14 of the chicken Mx gene will facilitate further researches on the resistant activity of Mx gene and its use for breeding of influenza virus resistant chicken varieties. This study aimed to investigate the exon 14 polymorphisms of the Mx gene in some representative indigenous chicken breeds collected from different locals in Vietnam.

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  • Certain phenomena resist coverage within the Lambek Calculus, such as scopeambiguity and non-peripheral extraction. I have argued in previous work that an extension called Polymorphic Lambek Calculus (PLC), which adds variables and their universal quantification, covers these phenomena. However, a major problem is the absence of a known decision procedure for PLC grammars. This paper proposes a decision procedure which covers a subset of all the possible PLC grammars, a subset which, however, includes the PLC grammars with wide coverage. ...

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  • Object-Oriented Programming: Polymorphism..1..Outline 10.1   Introduction 10.2   Relationships Among Objects in an Inheritance Hierarchy 10.2.1  Invoking Base­Class Functions from Derived­Class  Objects 10.2.2 

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  • Introduction to java programming: Chapter 9 - Inheritance and Polymorphism's Objectives is to develop a subclass from a superclass through inheritance; invoke the superclass’s constructors and methods using the super keyword; override methods in the subclass; distinguish differences between overriding and overloading.

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  • In this chapter, you will learn: The concept of polymorphism, to use overridden methods to effect polymorphism, to distinguish between abstract and concrete classes, to declare abstract methods to create abstract classes, how polymorphism makes systems extensible and maintainable, to determine an object's type at execution time, to declare and implement interfaces.

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  • Object Oriented Programming - Lesson 8: Polymorphism and generic programming Master the polymorphism technique, Understand the Java generic programming, Polymorphism, Downcasting and upcasting, Overloading, Method call binding, Generic programming.

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  • In this study, we designed two PCR primers to amplify the region containing rs6548238. The AvaI restriction enzyme was selected to detect the SNP polymorphism. Sequencing the resulting bands validated the RFLP method. In conclusion, RFLP method is simple, sensitive and cost effective for genotyping of the TMEM18 rs6548238 polymorphism; thus, this method is most convenient for SNP analysis in large-size samples from Vietnamese population.

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  • The influence of intensity Taylor vortex flow in Couette-Taylor crystallizer on the crystallization of polymorphic amino acid Lglutamic acid was investigated in cooling crystallization. Here, the L-glutamic acid was chosen as the model crystal product, where it has two kinds of polymorphism including the unstable phase α-form and stable phase β-form crystal.

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  • This study aimed to investigate the effects of cytochrome P450 1A1 (CYP1A1) gene polymorphism on early ageing due to occupational exposure to mutagens. The project was conducted on buccal epithelial cells collected from mechanical-workshop workers and controls.

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  • Random amplified polymorphic DNA (RAPD) markers were successfully used in discrimination of sexes in Nile tilapia fish (Oreochromis niloticus) using linear discriminant function analysis. The results provide support for the view that major genetical sex determining factors exist in tilapia.

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  • Due to advances in molecular biology techniques, large numbers of highly informative DNA markers have been developed for the identification of genetic polymorphism. In the last decade, the random amplified polymorphic DNA (RAPD) technique based on the polymerase chain reaction (PCR) has been one of the most commonly used molecular techniques to develop DNA markers.

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  • Compared to other Polymerase Chain Reaction (PCR) based molecular markers, the Amplified Fragment Length Polymorphism (AFLP) marker system probably requires more technical expertise for the sequential enzymatic reaction steps.

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  • To separate the unknown Streptomyces strains isolated from soil samples, the interspacer regions of 16S-23S rDNA of 14 isolates were amplified with PCR (polymerase chain reaction) and digested with three restriction endonucleases, namely, Bsp143I, HaeIII and MnlI. The restriction patterns were used for RFLP (restriction fragment length polymorphism) analysis.

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  • Simple sequence repeat (SSR) DNA polymorphism is a PCR-based marker system, also known as the microsatellite marker system. SSRs are tandemly repeated 1 to 5 nucleotide units dispersed throughout eukaryotic genomes.

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  • Tiểu luận Kỹ thuật di truyền với đề tài "Kỹ thuật Rapd (Random amplified polymorphic DNA)" trình bày nội dung sau: giới thiệu, nguyên lý, các ưu nhược điểm của kỹ thuật Rapd, những khác biệt của Rapd với PCR, ứng dụng, những cải tiến của kỹ thuật Rapd.

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  • This book will explain the Object Oriented approach to programming and through the use of small exercises, for which feedback is provided, develop some practical skills as well. At the end of the book one larger case study will be used to illustrate the application of the techniques. This will culminate in the development of a complete C# program which can be downloaded with this book. Topics covered include: Abstraction, Inheritance, Polymorphism, Object Oriented Software Analysis and Design, The Unified Modelling Language (UML), Agile Programming and Test Driven Development...

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  • Báo cáo Kỹ thuật di truyền: Kỹ thuật Aflp (amplified fragments length polymorphism) sẽ giới thiệu về kỹ thuật Aflp; nguyên tắc, hóa chất, trang thiết bị, dụng cụ; các bước tiến hành; ưu, nhược điểm; ứng dụng; kết luận và tài liệu tham khảo.

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  • In the language of C++, a class that is inherited is called a base class. The class that does the inheriting is called a derived class. Therefore, a derived class is a specialized version of a base class. A derived class inherits all of the members defined by the base class and adds its own, unique elements. C++ implements inheritance by allowing one class to incorporate another class into its declaration. This is done by specifying a base class when a derived class is declared. Let’s begin with a short example that illustrates several of the key features of inheritance....

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  • This lesson teaches about Polymorphism in C#.

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