Classical genetics

If a positive correlation is found between aggressive behaviour in adopted children and aggressive behaviour in their biological parents, a genetic effect is implied. However, if a positive correlation is found between the adoptee’s aggressive behaviour and the rearing family, then an environmental effect is implied. Although, research by Hutchings and Medinick suggests that environmental factors do not play a role in aggressive behaviour, as they found when looking at 14,000 adoptions in…

For many decades, linkage analysis has been well-established and shown to be an effective tool for studying the complex quantitative traits. Despite of its great successes, this approach has great weakness because it only captures limited allelic diversity existing in two parental lines and also limited in low genomic resolution (Borevitz and Nordborg 2003). To address this issue, GWAS utilizing diverse germplasm collections and recombination events that have been accumulated during the…

The CRISPR/Cas9 system is a system currently being studied for use as a genetic modification method. It was discovered by scientists working with bacterial cells. It was discovered that bacterial cells utilize a defense system in which they identify viruses that are invading and “chop up” their DNA. This defense mechanism is composed of clustered regularly interspaced short palindromic repeats found within the genome of bacteria. This is the origin of the CRISRP acronym. These CRISPR sequences…

The genetic disorder known as Cystic Fibrosis affects about 30,000 people in the us and about 70,000 in the world. The disorder can cause people to have many problems such as difficulty breathing, difficulty digesting food, and many other problems with the lung, pancreas, and many other parts in your body. The disease is caused by a defective gene called the CFTR gene. These genes code to produce CFTR proteins which are used to transport water and particles into or out of cells. This helps…

must accept all the responsibility of the procedure so that irrational risks can be prevented. In a nutshell, gene therapy is a very vital method for treating patient with disease especially genetic disorder. From this research, gene therapy can be seen as the new revolutionary technique advancing in the genetic engineering to treat the diseases. Current treatment so far has given excellent results from all standpoints. Upcoming endeavors should be focusing on how to improve the efficiencies of…

Technology today now allows us to address the idea of cloning. Cloning is creating an identical genetic copy of an organism or a cell. The process of this is there will be three subjects A, B, and C a body cell will be taken from A, the DNA will be extracted then an egg cell will be taken from B the nucleus removed. The DNA from A is fuse with the egg cell from B the fused cell develops into an embryo when it is placed in C the surrogate and then the clone is of subject A. To get to cloning…

Genetic engineering has given the world hope for a brighter future. With promises of disease eradication, increased intelligence, and longer lifespans, it is no wonder that people believe that this altering our genetic code is the solution to all of our problems. However, with all these potential benefits, there come potential dangers. A new genetic-engineering breakthrough has come our way. Referred to as CRISPR, this new technology is the easiest, cheapest, and most reliable way of modifying…

Introduction Drosophila melanogaster can be considered model organisms for the study of genetics. Some characteristics that contribute to this status are their quick lifecycles, large amount of offspring, and the presence of only four chromosomes. Drosophila melanogaster contain bristles on the thorax, head, legs, and abdomen. These bristles are used as a sensory mechanism, allowing fruit flies to detect their surroundings as they fly and walk around their environment (Yehuda, 2011). The rate…

Report 5 Title Detecting possibility of expressing disease condition and presence of cystic fibrosis (CF) associated mutation (△F508 and G551D) in DNA sample using allele specific polymerase chain reaction (ASPCR). Abstract Elevated levels of blood immunoreactive trypsinogen (IRT) may be obtained in patients with cystic fibrosis (CF), when it is detected in primary screen, DNA analysis is performed to look for the 12 most common mutations associated with CF. This study aimed to investigate…

contains a full genetic program that gives that individual their own genetic identity. This contributes to genetic testing and how individuals can be identified today. One of the first known DNA identifications was in India in 1193 where Jai Chand, a great Indian monarchy, was destroyed by Muhammad’s army and Jai Chand, Raja of Kanauji, was murdered and he was then identified by his false teeth (Balachander, Babu, Jimson, Priyadharsini, & Masthan, 2016, p. 3). Ever since then, genetic…