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Gene Essays

The world of Gattaca

The world of Gattaca is focused on the genetic perfection, yet it is imperfect Vincent who achieves most. Discuss. The film Gattaca directed by Andrew Niccole depicts a genetic perfection world where gene is the sole discriminant. Babies were designed in the laboratory before they become embryos. People were categorised …

Yeast Expression System

Protein expression system 1. Cell free: In vitro, using biomolecular translation machinery extracted from cells. eg-; E. coli, Rabbit Reticulocyte (RRL), Wheat germ, insect, Human. 2. Bacterial: popular, easy to culture, wide range of Host, Vector etc. produce commercially, often non functional Eucaryotic protein. 3. Eucaryotic I. Yeast: Simplest Eucaryotes …

Gattaca Case

Prompt: “In the world of Gattaca there is no room for individuality.” Discuss. Gattaca is a world of division between people who are natural born (Vincent) and the other genetically conceived (Anton). In the world of Gattaca, the people who have been genetically made are seen as the people who …

DNA pioneers and their legacy

After read “DNA pioneers and their legacy” (U. Lagerkvist 1998 Yale University Press, New Haven, CT), summarizing, discussing, and evaluating. In the account of the origins of modern molecular biology, the lives of pioneering scientists in the field of nucleic acid research, and the discovery of DNA, Ulf Lagerkvist speaks …

Population Genetics of Albinism in Zea mays

Introduction Zea mays or maize was chosen as the study system for this experiment for many reasons. The phenotype being studied is observable to the naked eye, green or yellow plants. It is an important agricultural system used in crop and is an ideal genetic model. Zea mays also has …

Pedigree Analysis of Cystic Fibrosis Inheritance

            Pedigree analysis can be done in order to determine the probability of an offspring inheriting a specific gene, like that of cystic fibrosis.  In the given activity, since a friend’s cousin has cystic fibrosis, then it can be deduced that their grand parent can only be a heterozygous (Cc) …

Operator Gene

            The manner in which genes that are related in function are grouped together do have an advantage in that it is possible to have an off-on switch that is capable to control the functions of the genes. Taking for instance an E. coli cell must make tryptophan for itself …

Errors in DNA Replication

DNA replication is a biological process that occurs in all living organisms and copies their DNA; it is the basis for biological inheritance. The process starts when one double-stranded DNA molecule produces two identical copies of the molecule. The cell cycle (mitosis) also pertains to the DNA replication/reproduction process. The …

Why Do Offspring Differ from Their Parents?

Offspring differ somewhat from their parents and from one another. Instructions for development are passed from parents to offspring in thousands of discrete genes, each of which is now known to be a segment of a molecule of DNA. This essay will explore some of the reasons behind how and …

Using DNA in science and technology

A cycle is a biological pathway or process in which the end product of one cycle becomes the starting point for the next cycle. Write an essay about cycles in biology. Carbon dioxide may affect organisms directly or indirectly. Describe and explain these effects. The causes of disease in humans. …

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