Essays Tagged: "mutations"

Cystic Fibrosis

with one gene coming from each parent to make the pair. Cystic fibrosis occurs when both genes have mutations. A person with cystic fibrosis receives one cystic fibrosis gene from each parent. The par ...

(7 pages) 134 0 4.4 Mar/1997

Subjects: Humanities Essays > Health & Medicine > Diseases

Hay well's Syndrome Report

Ectodermal Dysplasias. Hay-Well's Syndrome is inherited as a autosomal dominant trait. Heterozygous mutations in the p63 gene are the major cause of EEC syndrome (ectrodactyly-ectodermal dysplasia-cle ... mary syndrome) and ADULT (acro-dermato-ungual-lacrimal-tooth syndrome) syndromes are also caused by mutations in the SAM part of the p63 gene. It has been determined that the p63 gene it is essential ...

(2 pages) 32 0 4.8 Mar/2003

Subjects: Humanities Essays > Health & Medicine > Diseases

The Genetic Engineering Debate

tood yet. There has been some evidence that eating genetically engineered food can cause cancer and mutations in offspring. There is also the possibility that genetically engineered food isn't as nutr ...

(1 pages) 36 0 3.0 Apr/2003

Subjects: Science Essays > Genetics & Genome Projects

Cell Biology Notes Alzheimers disease.

Alzheimer's disease1) Primary Source - "FAD Mutations in Presenilin-1 or Amyloid Precursor Protein Decrease the Efficacy of a y-Secretase Inhibi ... e for Direct Involvement of PS1 in the y-Secretase Cleavage Complex"Alzheimer's disease (AD) causes mutations in presenilin-1 (PS1) and presenilin -2 (PS2) that increase the formation of amyloid B-pep ... site of y-secretase.It was found in this experiment that FAD (familial Alzheimer's disease) causing mutations in APP or PS1 decreased the capacity of compound 1 to inhibit the cleavage of y-secretase. ...

(3 pages) 40 0 2.6 Jun/2003

Subjects: Humanities Essays > Health & Medicine > Diseases

"Bacterial Resistance to Antibiotics" - Briefly explains the cause and effect of the mass usage of antibiotics, which led to many strains of bacteria to become resistant to such antibiotics.

lem is whether the supposedly less fit, dangerous, resistant bacteria might accumulate compensatory mutations that restore fitness and virulence without loss of resistance, and thereby stabilize the r ... n the wild type. However, the avirulent, or not virulent, mutants quickly build up various types of mutations that restore virulence to wild-type levels without the loss of high-level resistance (Joha ...

(6 pages) 117 1 4.0 Jan/2004

Subjects: Science Essays > Biology

The benefits of cloning

People, animals, and the environment suffer greatly in today's world from an array of diseases and mutations. Disease takes more lives than any other cause with heart disease and cancer being the num ...

(7 pages) 149 2 4.8 Mar/2004

Subjects: Social Science Essays > Controversial Issues

Essay on Replication

ter proofs its work afterwards and repair enzymes replace wrongly placed nucleotides. This prevents mutations in DNA.DNA cannot begin the strand so RNA primase is used to do about the first ten nucleo ...

(1 pages) 26 0 3.7 Apr/2004

Subjects: Science Essays > Biology

Gene Alteration

ed genetic disorder, and approximately 2,800 specific conditions are known to be caused by defects (mutations) in just one of the patient's genes. Some single gene disorders are quite common - cystic ...

(12 pages) 67 0 5.0 Apr/2004

Subjects: Humanities Essays > Health & Medicine

Multiple sleeping Disorders

ith a defect a gene called HFE which regulates the amount of iron absorbed from food. Two important mutations in HFE are C282Y and H63D. When C282Y is inherited from both parents, iron is over absorbe ...

(2 pages) 34 0 3.0 May/2004

Subjects: Social Science Essays

Hardy-Weinberg model

no evolution. Such conditions are when there is a very large population size, no migration, no net mutations, random mating, and no natural selection.In a very large population, genetic drift, which ... quency of any genotype that is in high frequency among the immigrants increase.When there is no net mutations, by changing on allele into another, mutations change the gene pool.When random mating occ ...

(1 pages) 29 0 3.0 May/2004

Subjects: Science Essays > Biology

Gene Therapy

erited genetic disorder, and there are approximately 2,800 specific conditions caused by defects or mutations in just one gene. Fortunately, there is a potential approach to the treatment of genetic d ...

(13 pages) 133 0 5.0 Jun/2004

Subjects: Science Essays > Genetics & Genome Projects

Key Points about the Cell Cycle and Cancer

occurs when controller genes mutate and stop inhibiting the cell division genes. Typically, several mutations must occur in a single cell before the cell begins to divide out of control.Sometimes cell ... a single cell before the cell begins to divide out of control.Sometimes cells with one or more such mutations will look or behave differently from normal specialized cells, or will react differently t ...

(7 pages) 63 1 4.7 Jul/2004

Subjects: Science Essays > Biology

Biodiversity and Biodiversity Indices

of organisms that can reproduce sexually by recombination and in individuals by gene and chromosome mutations. The pool of genetic variation present in an interbreeding population is shaped by selecti ...

(4 pages) 112 2 4.5 Sep/2004

Subjects: Science Essays > Biology

Detailed and comprehensive information about the author, story and book "The Chrysalids."

nuk it isn't witches but mutants that the people fear. Radiation from the war still causes frequent mutations in plants, animals and humans and the people adhere to a strict religious code, which does ... ffects of radiation are still felt in Waknuk, generations after the end of the war, with occasional mutations in crops, animals and humans. This is also something scientists have noted from the world' ...

(6 pages) 24 0 0.0 Jan/2005

Subjects: Literature Research Papers > North American

Curing CF by gene therapy

rt breath, huge appetite yet little weight gain and bulky stools. Symptoms may vary due to the many mutations of the CF gene.How CF gene therapy works?One way to assess gene therapy in humans is using ...

(3 pages) 34 0 4.7 Feb/2005

Subjects: Science Essays > Biotechnology

Review of Evidence that the gene encoding ZDHHC8 contributes to the risk of schizophrenia. Mukai, J et al. Proc. Natl. Acad. Sci. USA

Karayiorgou, M et al. 1995) and there have been many susceptibility points on this chromosome where mutations could occur such as PRODH (Liu, H. et al. 2002), COMT (Aleman, A. et al. 2003) and ZDHHC8 ...

(8 pages) 50 1 4.7 Mar/2005

Subjects: Science Essays > Genetics & Genome Projects

The benefits of cloning

d using it to create another organism with the same genetic coding. The alarming state of diseases, mutations, infertility and extinctions is on the increase, yet there is a way to alter, slow or stop ...

(1 pages) 15 0 0.0 Jun/2005

Subjects: Humanities Essays

Werner syndrome Research project.

879-1936), who first described the syndrome as part of his doctoral thesis in 1904. WS is caused by mutations in the RecQ family of helicase which are encoded by chromosome 8p by the WRN gene (Moser, ... cQ family of helicase which are encoded by chromosome 8p by the WRN gene (Moser, et al., 1999). The mutations truncate the WRN protein with a loss of up to 1256 amino acids. In other words, WS is caus ...

(3 pages) 1029 0 3.0 Dec/2005

Subjects: Humanities Essays > Health & Medicine > Diseases

Biology Storybook/Report

e result of many years of mutation and non-random mating. After thousands of years of lying dormant mutations caused the virus to become active in hundreds of people worldwide. The genes are in a cons ... change in our own DNA will also come. We believe that we will evolve or mutate to match the virus's mutations. Over a period of thousands of years the virus will change and us with it.We can only hope ...

(2 pages) 18 0 3.0 Apr/2006

Subjects: Science Essays > Biology

A Case Report of Lowe Syndrome Diagnosed By Linkage Analysis

he OCRL1 gene is located on chromosome Xq25-26(Lowe, Terrey, MacLachan, 1952, 83:164-84.)1 .Over 70 mutations have been identified. ( Charnas & Gahl, 1990; 38:75-107.)2 The OCRL gene encodes phosp ... a small 24-bp exon. These results should prove useful to medical and molecular geneticists studying mutations and providing DNA diagnostic services to families dealing with Lowe syndrome as well as to ...

(5 pages) 56 1 3.4 Sep/2006

Subjects: Humanities Essays > Health & Medicine > Diseases