Essays Tagged: "Gene pool"

Philisophical summary of Darwin's Theory of Evolution

The changes in populations that are considered evolutionary are those that are inheritable via the genetic material from one generation to the next. Biological evolution may be slight or substantial; ... Associates 1986) The question then arises how can one explain or even predict theses changes in the gene pool. In the mid 1800s Charles Darwin attempted to answer this question with his theory of Natu ...

(1 pages) 82 0 4.2 Sep/2002

Subjects: Humanities Essays > Philosophy > Classical Philosophy

Evolution

onment makes a individual adapt to that certain environment by variationsthat arise by mutation and genetic recombination. Also it favors certain traits in aindividual than other traits so that these ... n traits in aindividual than other traits so that these favored traits will be presented in thenext generation. Another mechanism of evolution is genetic drift. Genetic drift isa random change in a sm ...

(3 pages) 116 0 4.0 Feb/1997

Subjects: Science Essays > Biology

Genetic diversity in agriculture

none great essayGENETIC DIVERSITY IN AGRICULTUREGenetic variation is the raw material for the plant breeder, who mus ... der, who must often select from primitive and wild plants, including wild species, in search of new genes. The appearance of new diseases, new pests, or new virulent forms of disease causing organisms ... ve that the plant be preserved, because it offers a potential for the presence of disease resistant genes not present in cultivated varieties. Also, there are demands for new characters--for example, ...

(3 pages) 69 0 4.5 Mar/1997

Subjects: Science Essays > Agriculture

Genetic diversity in agriculture

none great essayGENETIC DIVERSITY IN AGRICULTUREGenetic variation is the raw material for the plant breeder, who mus ... der, who must often select from primitive and wild plants, including wild species, in search of new genes. The appearance of new diseases, new pests, or new virulent forms of disease causing organisms ... ve that the plant be preserved, because it offers a potential for the presence of disease resistant genes not present in cultivated varieties. Also, there are demands for new characters--for example, ...

(3 pages) 57 1 3.4 Mar/1997

Subjects: Science Essays > Agriculture

"Cosmopolitan Race Analysis". The essay explores racial representation in Cosmopolitan Magazine, and how limited it is.

eably. The body type and bone structure of these women made them look as though they share the same gene pool. Out of the approximate 150 advertisements, eleven featured an African-American woman in t ...

(4 pages) 63 0 4.7 Jan/2003

Subjects: Law & Government Essays > Civil Rights > Black Awareness & Racism

Beer, It Does a Body Good.

they are streamlining the heard and increasing the herds amount of grazing land, not to mention the gene pool being saved from their inferior seed.Just as some in society believe you can take this bas ... a sufficient amount of alcohol? As a depressant, it calms down the nervous system very much like a general anesthetic (McKim, 1997). This leads to the state of enhanced mood that puts the drinker of ...

(8 pages) 73 2 3.3 Nov/2003

Subjects: Social Science Essays > Controversial Issues > Drugs & Alchohol

Human Genome Project....what is it, and what can it do?

r a moral evil? Ultimately, it is true that powerful tools are subject to great abuse. Knowledge of genetics is a powerful tool, and could be abused by a government, which is a central reason this pro ... proposal is limited to voluntary individual choice. Many tools are powerful in our modern society. Genetics, particularly of a large population cannot be quickly changed. Tyrants, like Hitler or Stal ...

(6 pages) 103 0 5.0 Jan/2004

Subjects: Humanities Essays

Hardy-Weinberg model

When the allele frequencies in a population remain constant from generation to generation, the population is said to be in Hardy-Weinberg equilibrium where there is ... no migration, no net mutations, random mating, and no natural selection.In a very large population, genetic drift, which is the change in a population's allele frequencies due to chance, can cause gen ... s due to chance, can cause genotype frequencies to change over time.When there is no migration, and gene flow, the transfer of alleles between populations due to the movement of individuals or gametes ...

(1 pages) 29 0 3.0 May/2004

Subjects: Science Essays > Biology

Biology 10 Notes on DNA and Molecular Biology.

se. Chromosome attaches to spindle fibres at the centromere in prophase.Allele: Specific version of gene or function sequence of DNA. Version may be 'normal' (which is most common in gene pool), or an ... omologous Chromosomes: 1 of 2 almost identical copies of DNA which normally contains at least a few genes that are heterozygous. Note: Homologous chromosomes pair when in diploid condition, but do not ...

(2 pages) 58 0 4.6 Sep/2004

Subjects: Science Essays > Biology

Biology 10 Notes on Genes, Chromosomes, Mendel's Laws, and Mitosis vs. Meiosis

Gene: segment of DNA that controls design or structure of a trait/characteristic of the cell or orga ... of DNA, termed Alleles, interact to give the particular form of the trait as seen. Autosomal Gene: Gene located on an autosomal chromosome which is any of the 22 human chromosomes (or 3 Drosoph ... h is any of the 22 human chromosomes (or 3 Drosophila chromosomes) other than the X or Y. Autosomal genes are never sex-linked. Sex-linked Gene: Gene located in the unpaired region of the X chr ...

(2 pages) 56 0 2.3 Sep/2004

Subjects: Science Essays > Biology

AP Biology Lab Report for Population Genetics and Microbiology

Observing Various Microevolution Cases using Population Genetics:Using a Population Gene Pool Simulator, PopCycleAbstractThe study of microevolution was tes ... observation, and analysis of various population conditions, some under the Hardy-Weinberg Theory of Genetic Equilibrium, which would advance the student scientists' understanding of both microevolutio ... rstanding of both microevolution and the mathematical aspects of microevolution known as population genetics. The students first predicted the result of each of the 6 cases. The data was found using a ...

(10 pages) 93 0 4.1 Feb/2005

Subjects: Science Essays > Biology > Human Biology

The Biotech Century: Harnessing the Gene and Remaking the World By.

of a great historic transition into the Biotech Age. The ability to isolate, identify and recombine genes is making the gene pool available, for the first time, as the primary raw resource for future ... omic renaissance in the coming Biotech Century--they offer a door to a new era of history where the genetic blueprints of evolution itself become subject to human authorship. Critics worry that the re ...

(4 pages) 32 0 2.0 Dec/2005

Subjects: Science Essays > Genetics & Genome Projects

What is evolution?

Evolution is an unpredictable and natural process of temporal descent with genetic modifications that is affected by natural selection, chance, and changing environments. An e ... lection, chance, and changing environments. An easier more simplified definition is a change in the gene pool of a population over time. A gene is a hereditary trait that can be passed on for many gen ... a population over time. A gene is a hereditary trait that can be passed on for many generations.The gene pool is the set of all genes in a species or population. In order to understand evolution, it i ...

(1 pages) 50 0 0.0 Apr/2006

Subjects: Science Essays > Biology

Biology Storybook/Report

s of lying dormant mutations caused the virus to become active in hundreds of people worldwide. The genes are in a constant state of mutation, which can cause an unknown reaction. The gene is pictured ... .After a series of people were born with resistance to the virus it started to die out, however the gene pool thrived in other individuals.After many years of research scientists found that the genes ...

(2 pages) 18 0 3.0 Apr/2006

Subjects: Science Essays > Biology

Chapter 19: Speciation

rough the history of any species, micro evolutionary processes have been introducing changes in the gene pools of its populations. Remember, particular alleles give rise to the heritable traits of pop ... er, particular alleles give rise to the heritable traits of populations. As an outcome of mutation, genetic drift, gene flow, and natural selection, different alleles can increase or decrease in frequ ...

(6 pages) 47 0 1.0 May/2006

Subjects: Science Essays > Biology

Reintroduction Of Canis Rufus To The Eglin Air Force Base Reservation

to establish the Red Wolf recovery program. The roles of this recovery program are to safeguard the gene pool and return them to the wild into 3 distinct populations. This study seeks to determine the ... elters made by other animals or found inside a hollow tree or other such structures. Red Wolves are generally nocturnal when hunting and lay around during daylight hours. When it comes to reproduction ...

(2 pages) 1230 0 0.0 May/2001

Subjects: Literature Research Papers

Medicine Has Bad Effects On Society

e can clearly can see that medicine is blocking the natural system in which individuals with flawed genes are removed from the gene pool.However cruel the idea of allowing indivuduals to perish becaus ... flaw permanantly for the individual, this does not necessarily prevent it from showing up in future generations, but instead could possibly ensure it. Medicine is clearly causing a deevolution of the ...

(6 pages) 15 0 0.0 Nov/2001

Subjects: Humanities Essays > Health & Medicine

Medicine's Adverse Effects On Society

e can clearly can see that medicine is blocking the natural system in which individuals with flawed genes are removed from the gene pool. However cruel the idea of allowing indivuduals to perish becau ... flaw permanantly for the individual, this does not necessarily prevent it from showing up in future generations, but instead could possibly ensure it. Medicine is clearly causing a deevolution of the ...

(6 pages) 11 0 0.0 Nov/2001

Subjects: Humanities Essays > Health & Medicine

Nature Vs Nurture

ature aspect and some from our nurture.        Our innate characteristics are our genetics. Which are from our gene pool, solely from our parents. Having nothing to do, whatsoever, ... t, in California, chances are, you would still be the same height and have the same shoe size. Our gene pool is something that is out of human control and we cannot change or alter what we look like ...

(6 pages) 144 0 4.0 Feb/2002

Subjects: Social Science Essays > Psychology

In this unit I have learned a lot about Creation

on. In the topic of Evolution I learned that Evolution is change over time and it's a change in the gene pool. An example is pesticides. The bugs after time become immune to the pesticides that we use ... te ones were the ones suffering. That is an example of Microevolution because it is a change in the gene pool. The theory of Macroevolution is that we all came from the same thing.I learned about the ...

(2 pages) 556 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science