"Endomitosis in salivary gland of drosophila melanogaster" Essays and Research Papers

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    Investigation | May 28 2013 | Drosophila melanogaster lab experiment Question: How do the dominant or recessive genes in particular traits in a cross between a male and female Drosophila determine the traits of its offspring? Aim: to establish whether characteristics produced from the offspring of a drosophila cross are recessive or dominant traits. Hypothesis: If certain phenotypes are expressed in the offspring from the cross of certain Drosophila‚ then the determination or justification

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    the experiment that has been conducted is to breed Drosophila melanogaster for specific traits. We used a dihybrid cross where the traits were sex linked. The cross is considered dihybrid due to the fact that we are crossing two different traits. The traits used for this dihybrid cross experiment are white eyes (w) and vestigial wings (vg). The white eyes are the sex linked trait. These traits were taken and crossed with wild type D. melanogaster. The experiment that we ran was to be completed

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    Drosophila melanogaster are a species more commonly known to us as fruit flies. They are extremely important in biological research due to the fact that they make excellent model organisms for understanding genetics. Reasons behind their frequent use include; easily cultured in the lab‚ short generation time‚ and they can produce many offspring. In this lab report‚ we began with three different strains of Drosophila. Introduction The common form of Drosophila is known as the “wild type”‚ any fly

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    Christian Chou Mrs. McCarron   12/10/14  A.P Biology  Drosophila melanogaster Genetics    Introduction:   The common fruit fly‚ scientifically named Drosophila melanogaster‚ is used by many in  genetic studies. Because they can be easily cultured‚ have a relatively short generation time‚ and  are prolific breeders‚ fruit flies are often very popular in genetic investigations. Furthermore‚  mutations and sex are easy to visualize among the fruit flies. Male fruit flies have a smaller  abdomen than their female counterparts

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    Drosophila melanogaster‚ more commonly known as the fruit fly‚ is commonly used as a model organism in genetic research. Using D. melanogaster has a multitude of practical advantages for researchers. These include a fast reproduction cycle of approximately 30 days‚ small physical size‚ cost-effective culture and growth in large quantities‚ and a small genome size of 4 pairs of chromosomes. A basic understanding of the anatomy and genetics of D. melanogaster is necessary before preforming genetics

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    Discussion The goal of the experiment was to determine what gene or genes are responsible for the white eye phenotype of two strains of Drosophila melanogaster. According the literature‚ the w+ gene is located on the X chromosome at 1.5 genetic map units (1). In addition‚ the st+ and bw+ genes are autosomal and assort independently‚ meaning they are two different genes located on two different chromosomes. It is stated that the bw+ gene is located on the 2R chromosome at 104.5 map units (2)

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    Handout Master 2.1 Mapping the Brain Draw a Brain ( or Download if you want) Label the diagram of the brain to show or answer the following questions. 1. Is this a drawing of the left side or the right side of the brain? What are the particular functions of that side of the brain as compared to the other hemisphere? Right side of the brain Left side functions: considered to be adept at task Right side functions: best at expressive that involve logic‚ language and analytical thinking

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    Effects of Organic Food on Drosophila Melanogaster A new study has shown that fruit flies that lived on organic foods tended to be healthier than those that lived on conventional foods. The two things that researchers based their conclusions for health on were fertility and longevity. These two things are two important aspects to a fly’s life. On both of these tests‚ the flies that were fed organic food performed better than the flies that were fed conventional food. They survived for a longer

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    Biology 301 12/3/2012 The Effects of Relative Fitness of Drosophila Melanogaster on Evolution Abstract This experiment was conducted to study the relative fitness of two phenotypes of the Drosophila melanogaster and how fitness can affect evolution in the population. The phenotypes were placed in two different environments‚ one in which contained a predator and another with no predator. Results of the experiment would show how the fitness of each phenotype is affected by providing a mechanism

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    Ethanol sensitivity in Drosophila melanogaster based on genotype Alexa Shumate Department of Biology Randolph-Macon College Ashland‚ Virginia Introduction With a better understanding of the genes and behaviors associated with ethanol sensitivity‚ there will be new treatments available for alcohol dependence. The main problem in determining what causes dependence to alcohol is whether it is an environmental factor or if it is the genes associated with ethanol

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