DNA

the most part, genes are responsible for pairing DNA bases with the correct base, and directing the production of RNA molecules, which synthesizes proteins and regulates the expression of other genes, but when some genes are altered or manipulated during DNA replication, they can be very dangerous for the body, and can be possibly deadly. Some of the genes in our body that are mutated can play a positive role in the body in ways such as smoother DNA replication and recombination. Other genes…

able to perform an autopsy him due to to the fact he was frozen in ice. When Otzi died he had fallen down the Italian Alps landing him in an advancing glacier. The glacier had preserved his body in ice so well that archaeologists were able to extract DNA, pollen, and tissue samples to find out about his origin, diet, and the natural environment 5,000 years ago. Archaeologists determined that Otzi’s last meal was ibex, red deer, and eikorn. In September of 1991 two hikers had seen a head…

Introduction DNA profiling, also known as genetic fingerprinting is a method used to identify and evaluate genetic information/DNA in an individual. It is common knowledge that each individual (excluding identical twins) has a unique DNA sequence which makes DNA profiling the most appropriate method of determining paternal relationships and solving crimes. DNA samples can be analysed to produce a DNA profile which can be used as evidence in criminal investigations when matched to samples of…

DNA testing is a major flaw in the criminal justice system that can be addressed through upgrading capacity of labs and the amount of DNA the DNA database can store. Imagine being wrongfully convicted for a crime you did not do and spending years behind bars all because the justice system didn't analyze the DNA correctly. This happens to many people every year throughout the country, and there are many problems and causes with DNA identification and there needs to be a solution for it. Wrongful…

The genes in our DNA are what decided what our phenotypes would be, or how we were going to look like. But I don’t think it is accurate to say DNA is responsible for our phenotypes, I believe everything that affects our DNA is what is responsible for our phenotype. Our DNA would be different if I had different parents or if environmental factors took place. Yes, once the DNA is set into place it cannot change (obviously). But before that moment so much can happen that the possibilities are…

of the structure of DNA marks a significant landmark in medical history. This has open the doors to a new realm that deepen our understanding of biological systems and promises a future that once was an abstract idea in science fiction novels. A challenge that my generation is facing is answering whether genetic modifications are ethical. Despite the ongoing debates, it is remarkable that this type of science is even possible, partially because of the universality of DNA. DNA is the common…

The experiments covered in this report are based on the topic of DNA polymorphisms, these according to Houseman (1995) are differences in the DNA that occur between individuals. The polymorphisms under investigation here are classified as VNTR’s (variable number tandem repeats) and RFLP’s (restriction fragment length polymorphism). The first experiment is concerned with DNA polymorphisms that are known as VNTR’s, sections of DNA which have repeated nucleotide base sections in which the repeats…

child is at risk If you have a family history of genetic disorders or if you are 35 years of age or older, you may already be considering prenatal DNA testing. If so, you may be wondering when would be the right time conduct a prenatal DNA test, or if it even matters when you choose to have the test. What is the timeline for performing prenatal DNA testing? Each prenatal diagnostic test requires a different gestation period for testing. The test you choose will most likely depend on the…

A, B and Z DNA Structure These three types of DNA all possess the similar property of a double helical structure formed from a sugar-phosphate backbone and containing the 4 bases, adenine, thymine, guanine and cytosine, complementarily paired with hydrogen bonding. A and G are purines and have a double ring whereas T and C are pyrimidines and have only a single ring. Within the helix a pyrimidine is always paired with a purine such that G is always paired with C and T with A. The difference…

The discovery of deoxyribonucleic acid, also known as DNA, was a ground breaking discovery for the scientific community. Its discovery made ground breaking impacts that would only prove to be more detrimental to society with time. On top of the high prominence in the scientific field, the discovery would also go on over to make waves in the criminal justice field as well. The discovery of deoxyribonucleic acid was not a discovery made by any one given person, but was instead a collaborative…