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Articles on Trending Technologies
Technical articles with clear explanations and examples
Bash Printf - How to Print a Variable in Bash
Printing variables in Bash is a common task when working with shell scripts. Bash printf command is a powerful tool that allows you to print variables with precision and formatting options. In this article, we will explore how to use Bash printf to print variables in various ways. What is Bash Printf? Bash printf is a command-line utility that is used to format and print text on terminal. It is a built-in command in Bash, which means that it is available in every Bash shell session without need for any external dependencies. The printf command is similar to echo command, ...
Read MoreWhat Is Fine Mapping of Genes/QTL
Introduction Genetic mapping is the process of identifying and locating the specific regions on the genome that are associated with a particular trait or disease. The process involves analyzing the genetic variation in individuals to determine the location of genes or QTLs (quantitative trait loci) that are responsible for the trait or disease of interest. Fine mapping is an extension of genetic mapping, which aims to identify the specific variants that contribute to the trait or disease. Given below is an elaborate explanation of fine mapping, its importance, and the techniques used for fine mapping. What is Fine Mapping? ...
Read MoreBash Single vs. Double Quotes What\'s Difference
If you've spent any time using Bash, you've probably noticed that there are two types of quotes you can use when defining variables or passing arguments to commands: single quotes (' ') and double quotes (" "). At first glance, these quotes might seem interchangeable, but there are actually some key differences between them that can impact behavior of your Bash commands. In this article, we'll explore those differences and explain when you should use single quotes, when you should use double quotes, and what happens when you mix them up. Defining Single and Double Quotes Before we dive into ...
Read MoreBash Script for Loop Explained with Examples
If you're a Linux or Unix user, chances are you've used Bash at least once or twice. Bash is a command-line shell that lets you interact with your operating system in a more direct and powerful way than using a graphical user interface. One of most powerful features of Bash is for loop, which lets you automate repetitive tasks by iterating over a list of values. In this article, we'll explore how Bash for loop works and provide some examples of how you can use it in your own scripts. What is a For Loop? A for loop is a ...
Read MoreWhat Is a Genetic Linkage Map and How Is It Constructed?
Introduction Genetic linkage maps are graphical representations of genetic markers in a genome that are used to study the linkage and association between genes. These maps have been used to study the inheritance patterns of traits in various species, from plants to animals to humans. The construction of a genetic linkage map is a crucial step in genetic research, as it provides important information about the genetic basis of various traits. Discussed herewith is the concept of genetic linkage maps and how they are constructed. What is Genetic Linkage? Genetic linkage refers to the tendency of genes to be inherited ...
Read MoreWhat are Microsatellites (SSSR’s) and What Is Microsatellite Database
An Overview Microsatellites or Simple Sequence Repeats (SSRs) are small tandemly repeated DNA sequences present in the genome of almost all eukaryotic organisms. These repetitive DNA sequences are short, usually consisting of 1-6 base pairs in length, and are highly variable in number and length among individuals within a species. The variability of microsatellites makes them a powerful tool for population genetics, evolutionary biology, and genetic mapping. Microsatellite Database (MSDB) is a publicly accessible database that houses information on microsatellites. The database contains information on the location, size, and number of repeats for each microsatellite locus in various species. The ...
Read MoreUse of Markers in Plant Breeding (Advantages and Disadvantages)
Introduction Plant breeding is an essential process to improve crop yields, quality, and resistance to biotic and abiotic stresses. The use of molecular markers has revolutionized plant breeding and allowed breeders to identify and select desirable traits more efficiently and precisely. Molecular markers are used to identify and track desirable genes or DNA sequences that are associated with a particular trait. The use of markers in plant breeding has several advantages and disadvantages, which are discussed in this article. Advantages of Using Markers in Plant Breeding A few of the advantages include - Accelerated Breeding Cycle The use of ...
Read MoreSingle Nucleotide Polymorphism and Its Impact On Gene Function
An Insight Single-nucleotide polymorphisms, or SNPs, are one of the most common types of genetic variation found in humans and other organisms. These variations involve changes in a single nucleotide base pair at a specific position in the DNA sequence. They have a significant impact on gene functioning, influencing everything from an individual's susceptibility to disease to their response to medications. The content below explores the mechanisms behind SNPs, their prevalence in the human genome, and their effects on gene expression and function. What are SNPs? As mentioned above, SNPs refer to variations in a single nucleotide base pair in ...
Read MoreQTL Mapping - An Overview
An Overview Quantitative Trait Locus (QTL) mapping is a statistical technique used to identify the chromosomal regions responsible for the variation of a quantitative trait. The identification of QTLs is essential in understanding the genetic basis of complex traits and for the development of improved breeding strategies. An attempt has been made below to give an overview of QTL mapping, including the methodology, data analysis, and interpretation of results. Methodology of QTL Mapping The process of QTL mapping involves four primary steps: trait measurement, genotyping, statistical analysis, and QTL validation. Trait Measurement The first step in QTL mapping is to ...
Read MoreMAS in Backcross and Heterosis Breeding
Introduction In the field of plant breeding, it is often necessary to combine desirable traits from two or more different varieties of plants. One way to achieve this is through the use of backcross breeding and heterosis breeding. Backcross breeding involves crossing a hybrid plant with one of its parents in order to transfer desirable traits from the parent to the hybrid. Heterosis breeding involves crossing two genetically distinct plants to create a hybrid that has improved traits compared to both parents. One of the key tools used in both backcross and heterosis breeding is the marker-assisted selection (MAS) ...
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