Genetic diversity

“Brave New World.” The themes that are most technology based that I see include: Science as a means of control - Technology and science are used from the beginning with the test tubes and determining the intelligence of each person. The threat of genetic engineering – Manipulating DNA is a technological advancement and was done when the new world bred prescribed…

Cri Du Chat Syndrome Section 1 The genetic disorder Cri Du Chat stems from the deletion of a portion the p arm of chromosome 5 in the affected person. This deletion is seemingly spontaneous in most affected individuals. “Approximately 90% of cases results from a sporadic, or randomly-occurring, de novo deletion” (6. pg. 606). This deletion may include a fraction to the entire loss of the p arm of the fifth chromosome as a whole. Taking into consideration the very spontaneous nature of…

The first step in phage infection is the attachment of the phage to the host cell surface. This is typically accomplished by the recognition of a receptor on the outside of the bacterial cell wall such as an antigen, pilus or other structure. There is much variability from phage to phage in terms of which receptor they bind to. Bacteriophage can generally be classified into two categories, lysogenic and lytic (virulent) (Fig 6). The choice between the lytic and lysogenic cycle depends on the…

The question that gets a lot of people worked up is, Is evolution real? Although many people have their arguments on whether or not it is, this paper is going to be about the actual scientific facts proven about evolution. Evolution, despite what some may believe to be true, is the process in which living organisms have changed and developed ”evolved” into different species, but are believed to have derived or originated from a single species or ancestral background (Biological Def.). This can…

Summary/Response: “Human Reproductive Cloning: A Conflict of Liberties.” In this article “Human Reproductive Cloning: A Conflict of Liberties,” Joyce C. Havstad’s conflict is if cloning becomes safe and reliable, people should be able to have reproductive freedom. The author explained that promoters of human cloning know that it may lead to harmful characteristics. Instead of positively promoting human cloning they explain the causes and effects that could take place. They do strive to allow…

Today, DNA profiling is well used all over the world. DNA profiling was developed by the geneticist of the Leicester University in 1985. DNA profiling is the process where a specific DNA pattern, called a profile, is obtained from a person or sample of bodily tissue (“DNA profiling Biotech Learning Hub”). By learning DNA profiling, it enable us to identify individuals. It is really common to use DNA profiling now and a lot of people starts to use the technology. While supporters of using DNA…

Phenylketonuria Phenylketonuria, otherwise known as PKU, is a rare genetic condition that induces a buildup of a type of amino acid called phenylalanine. Because amino acids are the basis for proteins, phenylalanine is found in all proteins. The human body needs tyrosine, a type of amino acid, to form neurotransmitters like epinephrine or dopamine. To produce this the body uses the enzyme phenylalanine hydroxylase to develop into the tyrosine your body needs. When the phenylalanine hydroxylase…

“Tomorrow’s Children” extends the original argument made by Nelkin and Lindee. Like their article, the film raises important questions that go along with genetic essentialism and exemplifies the damage this discriminatory ideology can have on those involved. “Tomorrow’s Children” gives a further example of just some of the adverse effects the concept of genetic essentialism can have on society and its citizens. In the film, protagonist Alice is deemed as lesser by both the legal system and the…

natural selection, genetic drift, and gene flow. Mutations are the only force that can change the genetic code and without them the other forces wouldn’t happen. When a mutation takes place in a sex cell, it can them be passed down through generations. Natural selection was first brought about by Charles Darwin. It is the belief that the better an organism adapts to their environment, the more likely they are to live longer as well as reproduce. Genetic flow is the spreading of genetic material…

The article “Tweak in Gene Expression May Have Helped Humans Walk Upright” found on Science Daily discusses work conducted by researchers at the Stanford University School of Medicine and at the HudsonAlpha Institute for Biotechnology. These researchers have been able to distinguish what gave us humans the ability to walk upright through research conducted on the fish threespine stickleback. The fish has evolved multiple times over time in order to match different environments around the world.…