Freedom of expression

1) Which genome engineering mechanism they used to create transgenic ES (Embryonic stem cell)? What is the goal of this transgenesis? Answer: They chose to mutate Sos1 because it showed more expression in tissues and cell lines than Sos2. After they tested which Sos gene had more expression, they moved on to mutating Sos1 in murine ES cells using homologous integration of a lacZ-neor cassette. This cassette was placed in front of the Sos1 coding sequence. The goal was to integrate this cassette…

GMO stands for genetically modified organism. A GMO is an organism that has been genetically modified to make it better. This process takes place by extracting DNA of one species and forcing it into a genetically unrelated plant or animal. GMOs are very prevalent. In the United States nearly everything we eat is genetically modified. For example, 94 percent of soy and 95 percent of corn in the United States are genetically modified. Corn has made its way into just about everything we eat. Corn…

Andrew Jazbani Mr. Kugler Anatomy and Physiology-7 16 October 2014 A Better Look into Genetically Modified Organisms Genetically modified organisms are either plants or animals that have been reformed by scientists genetically to improve growth, remove pests, survive through changing weather, produce more food, and many other desired qualities from people and scientists. It enables precise changes to the DNA of the organism to get these desired characteristics. There are many types of…

Epigenome compounds are bunches of chemical compounds that tell the genome what to do. They can turn genes on or off and control the production of proteins. The epigenome controls changes to the genome. It is made of chemical compounds. Some of the compounds are from manmade materials. Parents pass the genome to their children and during the passing of the epigenome, it is reset. The epigenome can change throughout a lifetime. Many factors can change it such as: smoking and diet. Epigenomes…

The Benefits of Genetically Modified Organisms Through an Economical, Environmental, and Ethical Perspective The world as we know it is changing and developing. Over the past 50 years, the gap economically and ethically between already developed countries and developing countries has increased dramatically. The major barrier between first and third world countries is finance and food production. According to sources, genetically modified organisms, or GMOs, is the solution to close the gap,…

1.3 Histone variants Histone variants are non-allelic isoforms of core histones that have specialized functions resulting from its distinct amino acid constitution. All histone families except for H4 histone have variant forms (Kamakaka and Biggins, 2005). Unlike core histones, which are only expressed during S phase, histone variants are continuously expressed throughout the cell cycle and incorporated into DNA in a replication-independent manner (Sansoni et al., 2014). A great number of…

methylation reactions are important for normal functioning of the brain. One possible mechanism that might explain the involvement of folate status in cognitive performance is DNA methylation, which refers to the “epigenetic modification of gene expression by the addition of methyl groups to cytosine residues in DNA” (Jakovcevski). Studies were conducted in the College of Science and Technology at the Central Michigan University to determine whether or not folic acid played an important role in…

The Dangers of GMOs What are GMOs? Genetic modification involves the alteration, placing, or removal of genes. A GMO (genetically modified organism) is the result of a laboratory process of incorporating genes from bacteria, viruses, plants or animals and putting them into other species to create a desired trait or characteristic. They are used in biological and medical research. The purpose for GMOs are to produce longer lasting foods, resist herbicide (a chemical sprayed by farmers to kill…

According to Genetically Modified Organisms or GMO are plants or animals made through joining genes, known as genetic engineering. This new technology joins DNA from different species, introducing new characteristics to the organism, creating a new combination of animals, plants, and bacterial genes that do not occur in nature. Genetic engineered organisms are the foundation of why genetically modified foods. By mixing genes it has created many new unpredictable foods for animals and people to…

GMOs are plants or animals that go through a process in which their genes are changed by adding DNA from other organisms of a different species to the original plant or animal. GMOs get new desired traits in order to benefit themselves such as getting resistance to disease, or some sort of tolerance. GMOs are one of the most talked about topics in the 21st century and there are many debates that go on. There are studies that go on to test whether GMOs are safe or not. There are too many unknowns…