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Most Recent Genetics Articles.
  • 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 1930s.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
  • Gene Therapy - Applications and Limitations    By: Syed Amir Manzoor

    The article focus on the basic concept of gene therapy. It also emphasizes on the key application and possible limitations associated with this biotechnological methodology. >> Category: Genetics
  • Blood And Immunogenetics - RH Blood Type and its Inheritance    By: Shalini Balan

    Genetics of blood system - The genetics of the immune response is termed as immunogentics . This branch of science deals between relationship of the immune system and genetics. The study of the Rh, ABO and other blood groups or the HLA system is important to kidney and other transplants. >> Category: Genetics
  • Multigene Families - Types, Evolution and Examples    By: Sandhya Anand

    Multigene families have similar sequences in their genome and hence reveal course of evolution among related species or between the individuals. The article describes the types and importance of multigene families in brief. >> Category: Genetics
  • Polyploidy - Causes and Types    By: Sandhya Anand

    Polyploidy or the presence of three or more sets of genomes in an organism is one of the important phenomenon commonly found in plants. The process is central to the evolutionary history since it reveals the pattern of gene duplication and speciation. The article gives a brief account of the causes and different types of polyploidy. >> Category: Genetics
  • Humanized Antibodies - Production and Applications in Cancer Therapy    By: Kanya Sasi

    Humanized antibodies are the name given to antibodies derived from non human species whose proteins have been modified to enhance their resemblance to natural human antibodies. When therapeutic antibodies are produced in non human immune system (for example mice) their protein sequence are to some extent different from that of natural human antibodies. It is important to humanize these antibodies >> Category: Genetics
  • Techniques Used in Detection of Genetic Diseases - Part 2    By: Kanya Sasi

    Most of the techniques used in identifying a gene responsible for a genetic disorder can be applied only when there is pre-information about the genes or the gene products. However in many cases where there is no knowledge about the genes or the gene products a different approach has to be used. In such cases the most probable gene resulting in the disorder can be identified by using other methods >> Category: Genetics
  • Techniques Used in Detection of Genetic Diseases - Part 1    By: Kanya Sasi

    It is important to first identify the genes responsible for a genetic disorder before establishing the disease. Identification of responsible genes is vital. >> Category: Genetics
  • Genetic Control and Mechanisms of Phosphate Solubilization in Bacteria    By: PIYUSH JOSHI

    Article focus on the production of major organic acids which is considered as the principal mechanism for mineral phosphate solubilization in bacteria >> Category: Genetics
  • Gene Therapy - Introduction, Types and Applications    By: Kanya Sasi

    An introduction outlining the basics of Gene therapy. It aims at rectifying the defective genes causing genetic diseases. >> Category: Genetics
  • Causes of Genetic Disorders in Babies    By: Muniba Safdar

    In babies genetic disorders are caused by an anomaly in the DNA. Subtraction, addition or mutation of genes is indications of genetic diseases in babies. Let's understand the susceptibility of the human fight to genes and their expressions. As we know that genes are tiny, microscopic segments of DNA. These are involved in producing a polypeptide chain. >> Category: Genetics
  • Abnormalities Caused by Genetic Disorder in Humans    By: Muniba Safdar

    Humans have thousands of genetic disorders, some of them are very common and a few are rare. Some disorders are incurable and scientists are trying to find their cure. More research work is required for the cure of these disorders. Now here is a broader view of human genetics and numerous genetic disorders in humans. >> Category: Genetics
  • Medical Genetics: Its Introduction and Scope    By: Muniba Safdar

    What is medical genetics? It is basically about the medicine involving the diagnosis and administration of hereditary disorders. This field is totally different from human genetics. Medical genetics is progressively becoming applicable to many common diseases. Recent advances has done in genetics that reveals cause of the disease. >> Category: Genetics
  • Genetic Marker: Its Definition, Introduction, Background and Types    By: Muniba Safdar

    What is genetic marker? A genetic marker is defined as a specific gene or DNA sequence that produces a detectable trait with a known location on a chromosome and that can be used to study family and population, identification of cells, species or individual. Genetic marker can also be described as a variation. It may be a short sequence of DNA. >> Category: Genetics
  • Genetic Engineering: Its Definition, Introduction and Applications    By: Muniba Safdar

    What is genetic engineering? Genetic engineering or genetic modification is defined as the human's direct manipulation in an organism's genetic material. It is basically an alteration of genetic makeup of an organism by using techniques in order to produce heritable material and then directly introduce into a cell or host that is then amalgamated. >> Category: Genetics
  • Mapping Functions in Genetics    By: Sandhya Anand

    Information about Haldane, Kosambi, Carter-Falconer and Morgan Mapping functions. Construction of linkage maps are based on recombination fractions which are not accurate at higher map distances. Map functions try to redefine the relation between recombination fraction and map distance precisely. The article gives an insight into different map functions in use and their significance. >> Category: Genetics
  • Effects of Genetic Drift - Bottleneck and Founder effect    By: Sandhya Anand

    Genetic drift is a process in which there are sudden changes in allele frequencies among the generations. The effects of such drift are varied including speciation and genetically isolated demes. The most common effects the genetic bottlenecks and founder effects are discussed in the article. >> Category: Genetics
  • Biochemical Disorders and Diseases    By: Zandro Cabaral

    The different biological process in the body, when disturbed would result in different metabolic disorders. >> Category: Genetics
  • How to Determine Genetic Linkage?    By: Sandhya Anand

    Linkage is greatly used by geneticists to map the entire genome. This article gives a brief of the different methods used to determine linkage. >> Category: Genetics


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