Gene editing in agriculture Gene editing involves making distinct changes in the DNA sequence of a plant/animal cell creating a desired genetic make-up. Gene editing is a powerful tool for genome editing which requires high specificity and uses enzymes known as nucleases which cut the DNA at the desired site while another sequence is inserted to replace the cut sequence...
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The clinical symptomatology of Alzheimer’s disease (AD) is considered to be the result of an extensive destruction or disorganization of the cerebral cortex, as the patient’s cognitive functions become impaired. Late onset Alzheimer’s disease affects 5-10% of people over the age of 65 years old and while the case for this disease has not yet been fully understood, it is...
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Introduction The Queensland fruit fly, Bactrocera tryoni, is a serious pest that has cost Australian farmers hundreds of millions of dollars due to its destructive nature of Australian horticulture and fruit production. They are widely distributed across the eastern and northern territory of Australia and are known to be Australia’s most difficult and costly biosecurity challenge (Taylor, 2016). Learning more...
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Genes are the building blocks of DNA, which makes us who we are. Gene Editing is the process of breaking the double strand of DNA and then deleting the gene disruption. It then replaces the disruption with a new and healthy strand of DNA. Gene editing affects life on earth. Our genome affects us and our behaviour towards others. Gene...
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Background Introduction Do you believe that scientists will change genes in the future? The late physicist Stephen Hawking predicted that the wealthy would use gene-editing to improve the DNA of their offspring, potentially leading to the creation of superhuman species that would rapidly self-renew and self-evolve, from pure humans to genetically modified humans (Stephen Hawking. (2018). Brief Answers to the...
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Introduction A molecular marker is a DNA polymorphism within a single nucleotide sequence that can distinct from other individuals within the identical population. In these makers, a visible marker causes a change in phenotype. However, these markers do not create an observable difference in phenotype, but both markers have similar characteristics. Moreover, both visible and noticeable markers can be utilized...
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Gene therapy is a technique used by doctors to prevent and treat illnesses and diseases by inserting a gene into a patients cell, (Mayo Clinic, 2019). It is a more advanced form of biotechnology, which involves modifying and developing genetically living organisms to improve the overall quality of life for humans, (Khan Academy, 2019). Modern biotechnology advances technologies and products...
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Gene editing can be defined as a process whereby biotechnological techniques are used to alter certain parts of a genome to obtain favorable characteristics that can be passed down to successive generations (Webster, 2020). There are many ethical issues around the modification of the genome which raises a question on whether we should edit the human genes or not. Considering...
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Genes, the very fabric which makes us who we are. What is Gene editing? This technology enables scientists to change or modify the DNA sequences in living organisms. Scientist may have gone to another but questionable level. Should we play as a Supreme Being by choosing our desirable characteristics and even so does this make it right? In this essay...
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Gene modification is the process of altering genetic structure of species. That has happened indirectly through controlled or selective plant and animal breeding for thousands of years. Now with modern biotechnology its much more efficient making it easier and faster to target a specific gene by genetic engineering for more precise alteration of the organism. This is usually achieved by...
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According to a Pew Research Center study, conducted in 2018, “About seven-in-ten Americans (72%) say that changing an unborn baby’s genetic characteristics to treat a serious disease or condition that the baby would have at birth is an appropriate use of medical technology”. Advancements in gene editing are being made everyday by scientists, doctors and engineers worldwide, all attempting to...
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According to Cell Press, a website that publishes scientific journals about life, earth, and health sciences, gene editing is based on the use of engineered nucleases composed of specific DNA by erasing, replacings or inserting another DNA sequence to correct genetic disorders. According to Marylin Strathern, a british anthropologist who deals with issues of reproductive technologies, there has been an...
Gene
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Gene editing has been a controversial topic in the science department ever since it has been discovered. Science laboratories have used mice as subjects to grow human ears, genetically modified crops have been used to supply the food market, and also used to cure diseases within animals. The question of whether it should be implemented into the human fetus is...
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As we are facing a climate change epidemic, alongside population growth and food insecurity, the future of crop production must be carefully considered. Crops may have adapted to certain environmental stresses, however, with weather extremes occurring more frequently, the integration of gene editing technologies may enhance the tolerance, yield, and overall success of crop plants. Failing to increase yields in...
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With scientific evidence about grammar gene, it is now possible to detect the gene deficiency well in advance to manage it. For a new born child, there could be a screening process that could identify the genetic deficiency earlier. The results could provide with a sense of relief or inform people about their deficiencies (Bates, 1993). This could help them...
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Genetic therapy is the use of the delivery of nucleic acid regeneration cells to a patient's somatic cells to prevent or treat the disease. In the last few years, much research has been done worldwide in the field of genetic cancer treatment. In the current situation, there are many types of cancer treatments like viral replication, tumor suppression, tumor immunogenicity,...
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In this essay, a case study based on Cystic Fibrosis will be looked at and how successful gene therapy is in curing cystic fibrosis and evaluate the advantages and disadvantages. Introduction: What is Cystic Fibrosis? Cystic fibrosis is an inherited disease. It causes some glands in the body not to work properly. This condition causes the buildup of sticky mucus...
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Our current theory of evolution in basic terms is that all living things come from a common ancestor and that natural selection caused the adaptions that created all the different species on our planet. This is a huge claim- that everything on Earth is somehow connected. But, what evidence is there to support it? Fossils are time capsules for biologists....
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Abstract The idea that genes can be patented has been a constant, controversial issue from the very beginning. Today, patents are granted for DNA sequences that have been obtained from genes that have been removed from the human body and purified. This then becomes something that has been man-made and not a product of nature, therefore making it patentable. Biochemical...
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Not too long ago the idea of genetic enhancement of babies was something of science fiction. However, we have come to realize that this medical procedure is no longer fiction and is very close to becoming a reality. As experts begin to acknowledge this as an alternative, whether for medical or superficial reasons, they are considering the safety concerns involved...
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Introduction “There are three signs of old age: loss of memory… I forgot the other two.” – Richard Bernard 'Red' Skelton (July 18, 1913 – September 17, 1997) an American comedy entertainer. One often joke about getting older, and all the other elements that go with old age especially forgetting, but for some this may be a joke or one...
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The reuptake of dopamine within the brain is initiated by proteins referred to as “Dopamine Transporters” (DAT) found in-between neurons. DAT act on the pre-synaptic neurons nerve endings and allows them to absorb the dopamine neurotransmitter, thus terminating the transmission of a message. The reuptake and regulation of dopamine results in a steady and level headed mental state. Dopamine as...
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Abstract An important method used in biology is plasmid purification. What makes this method so important is because a purified plasmid sample is essential for many experiments, including important techniques like DNA sequencing. Purified E.coli plasmid pBR322 using gel electrophoresis and a calibration curve were used in this experiment to quantify the size of the purified plasmid. Examples were examined...
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In the last few decades there has been an increasing interest on how genes affect children’s learning processes and development. Nowadays, researchers are trying to find out what exactly is contributing in education, what are the important outcomes any educational professional should know and how education can be improved. Biological factors are actually being measured in different studies to be...
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I chose the topic of obesity because many people I know and many people in my family are dealing with this difficult disease and I wanted to learn more about it so I could be helpful to the people I love. According to the CDC, America is in the midst of an epidemic, known as obesity. It is a national...
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DNA isolation is a process that deals with the purification of DNA from a given sample with the help of physical and chemical methods. According to -, DNA was first isolated by Friedrich Miescher in 1869. Of recent, it is a routine procedure used in both molecular biology and forensic analyses. In regards to the chemical method, there are many...
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Our bodies are a complex system of bones, muscles, vital organs, water, and blood that has been built upon since we were embryos. What created how our bodies were built was on Deoxyribonucleic acid or DNA for short. It is a system of an ever-complex combination of 4 different nitrogen bases that expand to over 3.2 billion combinations that are...
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Introduction You have asked me to research DNA test kits, which are tests that analyze a sample of an individual’s DNA and look for specific characteristics associated with different conditions. These tests can reveal genealogical information, health information, and also establish legal paternity. DNA tests can also be used in forensic science to help solve active cases. Background DNA, which...
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The field of genetic engineering and specifically gene editing has grown significantly in the last decade with the creation of Clustered Regularly Interspaced Short Palindromic Repeats - Cas9, or CRISPR, and the emergence of gene manipulation. This technology can be very risky or valuable based on how it is used. Using Gene therapy, all genetic disorders in humans and animals...
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Introduction Shelf life of food is the maximum time that the food produce can be stored, during which duration the quality remains acceptable for storage. Food industries face major challenges in storage and transportation after harvesting of fruits due their highly perishable nature. Ripening is followed by decaying due to accumulation of toxic components which Is the result of increased...
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