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Most Recent Genetics Articles.
  • Evolution of Genes and Dynamic Genome    By: Dr. Arpita Srivastava

    This article explains the various theories that have been given for possible evolution of genes and why the genome is said to be dynamic in nature >> Category: Genetics
  • Virus Induced Gene Silencing (VIGS) for Functional Genomics of Crop Plants    By: Dr. Basavaprabhu L. Patil

    In the past, plant scientists mostly relied upon forward genetics; which involved identification of a mutant and subsequent cloning of the mutated gene to identify the gene responsible for the function/trait under investigation. During the last several years, Arabidopsis, rice, tomato, cassava, pigeon pea, chick pea and other plant genomes have been sequenced and large data base of sequence information has been generated. Such genome and EST sequencing projects have generated a wealth of sequence information for important plant species of which the majority is difficult to subject to functional genomics. >> Category: Genetics
  • Consanguinity Marriage: Root Cause of Genetic Disorders    By: Geetanjali Murari

    This article deals with consanguinity system in our society (blood relation marriages). The human deficiencies, genetic disorders, several health problems are escalating generation after generation due to this system popular in some parts of the world. >> Category: Genetics
  • Bt Cotton: Story of its Success and Failure.    By: Geetanjali Murari

    This article highlights about the genetically modified cotton plants which was engineered to make it resistant against insects. Bt Cotton reached its fame bringing a huge success in the cotton industry. Then it was banned due to its poor quality and toxic nature which started affecting humans and other organisms. >> Category: Genetics
  • Role of Genes in Obesity    By: Hareepriyaw M

    Types of obesity and the role of inheritance. Obesity is considered to be the result of the combination of deletions, SNPs and gene mutations. >> Category: Genetics
  • Genetics Associated With Myopia Development    By: Hareepriyaw M

    Myopia is the most common disorder of the eye also known as nearsightedness. The objects at a certain distance appear blurred when the light that enter the eye is not focused accurately into the eye. The eye with myopia and people with eyesight of less than -6.0 diopters are found to be susceptible to many diseases of the eye. >> Category: Genetics
  • Genetics of Heart Rate Variability    By: Hareepriyaw M

    From the human genetic studies that were conducted in the past decade, the genomic loci that control the variation in HR are identified. Linkage analysis of resting heart rate was carried out in a study consisting of 962 Caucasian participants and 1124 African-American participants. >> Category: Genetics
  • What Causes Hunger? - Blame it on the Brain    By: Sandhya Anand

    Neurons which are responsible for hunger has been found out by US researchers using techniques of optogenetics. The study which was done in rats revealed the genes responsible for overeating in rats. >> Category: Genetics
  • Genetic Engineering and Gene Cloning - Types, Applications and Examples    By: Divya Narayan

    This article discusses types of genetic material, various techniques involved in genetic engineering, Gene cloning methods and its applications. >> Category: Genetics
  • Gene Therapy: A Ray of Hope For Alzheimer's Disease    By: Geetanjali Murari

    This article highlights the gene therapy for Alzheimer's disease. This is a breakthrough in the field of neurological diseases and a sign of relief for several Alzheimer's patients across the globe. >> Category: Genetics
  • 5 New Genes That Contribute to Heart Diseases Like CAD (Coronary Artery Disease)    By: Shivani Sharma

    According to a survey by World Health Organization (WHO), heart diseases take more than 17 million lives approximately a year, which makes them the world's most severe category of diseases. Apart from the well known factors that contribute to developing a heart disease, genetic factors have been taken into consideration too. >> Category: Genetics
  • GENE PRSP1: Contributing to Progressive Hearing Loss in Males    By: Shivani Sharma

    DFN2 or Postlingual nonsyndromic hearing impairment, however rare, but is a severe genetic defect found among males. It is progressive by nature and is mainly caused by mutations linked to the gene PRPS1, located in the NFD2 locus. This very disease is a form of progressive deafness that has been reported to have numerous amount of cases from United States, United Kingdom and China.. >> Category: Genetics
  • How Genes Affect the Brain Activity    By: Shivani Sharma

    This articles focuses completely on the genes that affect the brain activities and nerve impulses. Over the past few decades, some major breakthroughs have been made by researchers on the studies of the genes that are linked to brain and the results have been promising too. Lets take a tour on how these genes affect the brain activity. >> Category: Genetics
  • Big Salmon Fishes at Your Table    By: Geetanjali Murari

    The genetic engineering has paved new ways to modify and alter the features of different organisms. The insertion of a particular gene of interest in the organism can make it function in a completely different way. The increasing demand of Salmon has provoked the scientists to produce GMO to enhance their production in the market. This would benefit the market economically. >> Category: Genetics
  • NYU Finds a Link Between ADHD and Obesity    By: Lisa Opdycke

    A study published in this week's Pediatrics revealed that a link exists between childhood ADHD and obesity. The study, conducted by the Child Study Center at NYU Langone Medical Center, followed men diagnosed with childhood ADHD for a 33 year period. This connection strengthens previously held hypotheses about ADHD and obesity causation from similar neuropathic dysfunction. >> Category: Genetics
  • Colon Cancer - A Genetic Disorder of Colon    By: Rose 13

    Cell is the basic element of the living beings. Human body made with millions of cells. In our daily life many cell are destroyed and when the cell is destroyed the human body make a new same cell. In this process many errors occur, some of these mistakes are corrected by additional elegant systems... >> Category: Genetics
  • Epigenetic Phenomena    By: SUNIL KUMAR, S.V.

    Epigenetic refers to heritable changes in gene expression not attributable to nucleotide sequence variation. Epigenetic mechanisms include DNA methylation, genome imprinting and dosage compensation >> Category: Genetics
  • Engineering Virus Disease Resistance    By: SUNIL KUMAR, S.V.

    Development of plant transformation technology provides novel approaches in crop improvement and promises greater efficiency and precision to plant breeding. The widest variety of transgenic strategies for introducing resistance has been attempted in viruses. Since viruses have small genomes with limited selection proteins and the vast majority of plant viruses are plus stranded RNA viruses with simple replication strategies, it has been possible to devise a number of successful methods of interfering with development of viral infections >> Category: Genetics
  • Cystic Fibrosis - A Genetic Disease in Pancreas    By: Rose 13

    Cystic Fibrosis has two main characteristics fibrosis means scarring and cyst development in pancreas. It affects the liver, intestine, pancreas and mostly the lungs due to infection in lungs the person feel difficulty in breathing on the other hand abnormality in pancreas stops the natural enzymes which absorb the food. It also affects on the glands whose produce mucus and sweat. Mucus build up also encourage the growth of bacteria. They lose large amount of salt which made unhealthy imbalance of minerals in the blood. It is due to abnormal transfer of sodium and chloride crossway an epithelium. First time it diagnosis in the early days the death rate was high only some person lived until elementary school. With passage of time the life of patient extended till 30s and 40s with help of medical treatment. >> Category: Genetics
  • Cloning in the Dairy Industry for Improving Dairy Production    By: Dilruba Peya

    While the possibility for animals cloning has been realized for the last 25 years, this is only recently that adequate progresses have been made to permit the technology to move forward to a phase where it is potential that widespread commercial uses of cloning may turn into a reality in next few years. >> Category: Genetics
  • The 23rd Chromosome Disease - Sex Linked Diseases    By: Geetanjali Murari

    The sex linked genetic disorder is in contrast to autosomal disorder. These are caused due to mutation in X and Y chromosomes. Recessive disorder is common than dominant one. Many fatal diseases like Hemoglobin, Duchene Muscular Distrophy are caused due to this abnormality. The researchers are working to find some means of identifying and curing these diseases. >> Category: Genetics
  • Inherited Diseases Caused by Faulty Ion Channels    By: Medha Hegde

    Diseases that are caused by faulty ion channel proteins are termed as channelopathy .Abnormal functioning of ion channels can cause diseases in many tissues. >> Category: Genetics
  • Mechanisms Involved in the Origin of New Genes    By: Medha Hegde

    Origin of new genes is a driving power for evolution in all living things. The processes that produce new genes, includes a diversity of molecular events, all of which must take place in the germ line to be inherited by the subsequent generation. >> Category: Genetics
  • Anatomy of Y-Chromosome and its Associated Disorders    By: Medha Hegde

    The chromosome Y is 1 among the 2 sex chromosomes present in human beings while the other is the X chromosome. The sex chromosomes form 1 of the 23 pairs of human chromosomes in every cell. >> Category: Genetics
  • Isochromosomes, Ring Chromosomes and Their Associated Abnormalities    By: Medha Hegde

    An 'isochromosome' is an unusual chromosome with two identical arms, either two short (p) arms or two long (q) arms produced by transverse rather than normal longitudinal splitting of a replicating chromosome.'Ring chromosomes' (denoted as 'r') are the unusual chromosomes in which the end of each chromosome arm (telomere) has been lost and the broken arms have been reunited in the ring formation. >> Category: Genetics
  • Lethal Alleles - Its Instances in Humans, Plants and Animals    By: Medha Hegde

    The hint to lethal alleles is a 2:1 phenotypic ratio. This ratio looks different than the typical 3:1 ratio observed, implying the variations of the Mendelian genetics. >> Category: Genetics
  • Notable Strategies in Reverse Genetics    By: Shivani Sharma

    Recently, gene knock out mice have been created that seemed exhibit unusual characters. A plant, Physcomitrella patens, has been genetically knocked out by the application of homologous recombination to develop knock out forms of moss and it has been found to be almost as efficient and suitable as when done in yeast. Various gene libraries have been created based on directed deletion in pant syste >> Category: Genetics
  • Human Chimeras- Genetic Basis    By: Shivani Sharma

    Over the past few decades, important discoveries has been made in the genetics of human chimerism that derive their basis directly from the theories propounded long ago, ever since the start of 19th century. Though, these cases are as rare as they could e, not much information has been gathered but based on the current specimens available to test the human specimen further, sufficient further rese >> Category: Genetics
  • The Evolutionary Existence of Boule: Making Its Way Back Into Bilateral Phyla    By: Shivani Sharma

    Boule gene has been making its way into bilateral phyla back since the dawn of evolution. Based on the conserved features of the consensus BOULE sequence, several lineages and species were taken under significant consideration and thorough experimentation and research work was done with them. It was then found that the boule homologs were absent in fungi and plants, thus restricting its presence to animals. >> Category: Genetics
  • Extensions of Mendelian Principles - Inheritance Biology    By: Medha Hegde

    Mendel's laws fail to adequately explain some phenomenon like mitochondrial gene inheritance and inheritance due to linkage between genes on the same chromosome and variation in gene expression and gene interactions can produce results other than phenotypic ratio predicted by Mendel's laws. >> Category: Genetics
  • Extrachromosomal Inheritance - Cytoplasmic Influence on Phenotype    By: Chandra Kala

    The control of phenotype of the progeny by the non nucleus component present in the cytoplasm is called extrachromosomal inheritance or organellar inheritance or cytoplasmic inheritance. The advanced research on extrachromosomal inheritance associated with human diseases will go a long way in genetic counseling. >> Category: Genetics
  • Extrachromosomal DNA - mtDNA and its Various Applications    By: Medha Hegde

    The sequencing of mitochondrial DNA was the first important part of Human Genome Project (mtDNA is double stranded circular DNA about 16569 base pairs long). Mammalian mitochondrial DNA (mtDNA) is solely inherited from the mother. >> Category: Genetics
  • Genetics of Addiction    By: Chandra Kala

    Addiction is a brain disorder that is common and economically costly habit to the individual. Drug addiction is now linked to many genetic markers and is important in success of treatment for drug addiction. Not only the mental strength of the individual is sufficient to recover from addiction, there is also blueprint in the genome which decides the success of the treatment. >> Category: Genetics
  • Genetics of Male Pattern Baldness    By: Chandra Kala

    Hair loss is the nightmare for men and women globally. Baldness in men is generally hereditary, which is associated with chromosome X. Recent research on male pattern baldness has been proved not only allosome, autosomes also plays a role in Hair loss. This article gives brief summary on the genes and pathways associated with Male Pattern Baldness. >> Category: Genetics
  • Rep-PCR in Molecular Biology    By: SUNIL KUMAR, S.V.

    The use of repetitive element PCR fingerprinting is molecular biology based method very suitable for rapid grouping and tentatively identification of microorganisms. Eukaryotic and prokaryotic DNA contains so-called repetitive DNA elements distributed more or less randomly over the genome. >> Category: Genetics
  • Transgenic Plants - The Impact on Environment    By: SUNIL KUMAR, S.V.

    Modern agriculture is intrinsically destructive of the environment. It is particularly destructive of biological diversity, notably when practiced in a very resource-inefficient way, or when it applies technologies that are not adapted to environmental features of a particular area. As with the development of any new technology, a careful approach is warranted. >> Category: Genetics
  • Natural Selection - A Genetic Basis    By: SUNIL KUMAR, S.V.

    Natural selection is the evolutionary process by which biological traits become either more or less common in a population as a function of differential reproduction of their compatible reprodducible individuals. It is a key mechanism of evolution of species. >> Category: Genetics
  • Rh-Incompatibility During Pregnancy    By: Abha Singh

    Rh- incompatibility is a condition that develops when a pregnant woman has Rh-negative blood and the baby in her womb has Rh-positive blood, it is also known as Erythroblastosis fetalis. It is a potentially life threatening blood disorder in a fetus or infant, in this diseade the production of maternal antibodies occurs against the fetal red blood cells. >> Category: Genetics
  • Hemochromatosis and its Genetic Inheritance    By: Shalini Balan

    What is Hemochromatosis and how it is caused? Hemochromatosis is genetic disorder that is inherited from both the parents .In this condition the amount of iron in the body is usually higher than the required. The body absorbs and stores more amount of iron, which in turn gets stored in the organs like pancreas, liver, and skin. If they are not properly treated and regularly monitored iron abnormalities may lead to damage of the organs. >> Category: Genetics
  • Genetics of Nitrogen Fixing Microorganisms    By: Shivika Bhatnagar

    In Rhizobium species, nodulation genes together with other symbiotic genes, are located on large-plasmids (Sym plasmids). Sym plasmids vary from 50 to over 600 kb in R. leguminosarum bv. Trofoli to 1200 to 1500 kb in R. meliloti. Nodulation genes, nod and nol genes, are classified as regulatory, common and host specific. Regulation of nod genes is controlled by the nod gene, of which all rhizobia tested so far contain one or more copies. In conjunction with plant flavonoids or other phenolic compounds, nod proteins act as transcriptional activators of inducible nod genes. >> Category: Genetics
  • Mutations Leading to Disorder and Disease    By: Smyl Smyl

    Alterations Leading to the Cause of the Disease - Mutation is that permanent change happening in gene DNA which can not only cause the disease but also can be transferred to the next generation!!! >> Category: Genetics
  • Factors Influencing the Genetic Makeup    By: Smyl Smyl

    The Mysterious Truth of One's Identity - Gene is made up of DNA(de oxy ribonucleic acid) and is a part of our genome. Genome is the entire stretch of information an organism derives from its parents and expresses through its existence. >> Category: Genetics
  • How is Your Gene Doing? Biotechnology has Answers !!    By: Smyl Smyl

    How are you doing is one of the obvious question we ask when learnt that someone is either ill or not feeling good. As we move on a time might come where we might ask a person how your gene is doing to assess his health! Thanks to the vast research and expertise obtained in the field of biotechnology. >> Category: Genetics
  • In-Vitro Fertilization, Key Processes and Significance    By: Syed Amir Manzoor

    The article describes some key phenomenon associated with the in vitro fertilization. In-vitro fertilization can be an expensive procedure. It is quite demanding emotionally, psychologically and physically (especially for the female). There is a relatively high failure rate combined with desperate desire for success. >> Category: Genetics
  • Pharmacogenomics - Applications And Benefits    By: Shalini Balan

    What is pharmacogenetics and its future implications. Pharmacogenomicsis the new stream of pharmacology which tells us how an individual's genetic inheritance affects the body's response to drugs. This noting but the combination pharmaceuticals and genetics aimed at the betterment of human health. >> Category: Genetics
  • Why Sex Chromosomes Evolve So Rapidly?    By: Shalini Balan

    Details about reproductive / sex chromosome and their evolution. In animals with separate sexes, embryos assign to become male or female at an early stage. Often this key decision is made by sex determination genes on the sex chromosomes. The genes concerned in sexual development have not changed much since evolution. In contrast, the sex determination genes and the sex chromosomes themselves are among the most rapidly changing features of the genome. >> Category: Genetics
  • Vectors - The Dynamic Tools in Genetic Engineering    By: Syed Amir Manzoor

    The article focuses on the significant applications of the vectors in genetic engineering. Vectors are carriers, transporters and may also be termed as vehicles for genetic material. DNA bodies used to transfer alien genetic material to the cells are known as vectors. Vectors are generally classified in to four groups on the basis of their transmitting form e.g. (1) Synthetic chromosomes (2) Plasmids (3) Viruses (4) Cosmids. Most common of these vectors are viruses and plasmids. >> Category: Genetics
  • Transfection : Techniques Involved and Advantages    By: Shalini Balan

    What is Transfection and how it is carried about with different techniques. The introduction of foreign DNA into eukaryotic cells is called transfection. And the eukaryotic organism which has up the foreign DNA is referred to as transgenic. >> Category: Genetics
  • Advantages and Uses of Cloning    By: Syed Amir Manzoor

    The article particularly focuses on the major applications of cloning. Cloning is an asexual biological process in which identical copies or exact replica of anything can be produced. Cloning is of many types i.e. Gene cloning, molecular cloning and cell cloning, recombinant DNA technology or DNA cloning, reproductive cloning, and therapeutic cloning. >> Category: Genetics
  • Gene Cloning and its Applications    By: Syed Amir Manzoor

    The article focuses on the key concepts associated with the gene cloning (or DNA Cloning) and its major applications. Gene cloning is the replication of certain type of genes from a certain part of the cell/ DNA to propagate a certain desirable genetic trait. >> Category: Genetics

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