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    Ap Bio Lab Fruit Flies

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    AP Lab Seven Genetics of Organisms Dan Torres AP Biology Block 1 January 24‚ 2011 Introduction & Background Fruit flies have made a huge contribution towards knowledge about genetics‚ but for most people‚ they are just annoying insects that are attracted to their fruit. Their scientific name is Drosophila melanogaster‚ and to scientists‚ they have been a key to understand many principles of heredity including sex linked inheritance‚ epistasis‚ multiple alleles‚ and gene mapping. Fruit

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    Fruit Flies Biology

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    1. Model organisms are species that are studied to understand the biology of other organisms‚ usually humans. Fruit flies share 75% of the genes that cause certain diseases with humans. Therefore scientists can learn about human genetics by studying fruit fly genetics. This falls under the bigger principle of understanding the basic biology that all organisms have in common. Common fruit flies like Drosophila are useful when studying genetics for several reasons‚ such as their small size that makes

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    Fruit Fly Lab

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    Fruit Fly Lab Introduction The major topic of this experiment was to examine two different crosses between Drosophila fruit flies and to determine how many flies of each phenotype were produced. Phenotype refers to an individual’s appearance‚ where as genotype refers to an individual’s genes. The basic law of genetics that was examined in this lab was formulated by a man often times called the "father of genetics‚" Gregor Mendel. He determined that individuals have two alternate forms

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    Heeneman Bio 152-100 February 27‚ 2013 Fruit Fly Lab Data from my group: Vestigial winged offspring: 0 Wild Type winged offspring: 10 Data from class: Vestigial winged offspring: 42 Wild Type winged offspring: 237 Data from all classes: Vestigial winged offspring: 345 Wild Type winged offspring: 1‚297 The hypothesis of the fruit fly mating experiment was that when placing homozygous recessive virgin female fruit flies in a mating tube with two homozygous

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    Fruit Fly Lab Report

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    Genetics of Organisms Nicole Ryan AP Biology 2/2/15 Block 1 Introduction and Background Drosophila melanogaster or more commonly referred to as “fruit flies” have been used for genetic research for over 100 years. During his time at Harvard university‚ Charles W. Woodworth is credited with being the first to suggest fruit flies be used for genetic research. A century later‚ fruit flies are the most widely used eukaryotic organism for genetic research (Drosophila)

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    Drosophila: Fruit Fly Lab

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    The history of fruit flies is considered a tradition. Research of these flies initially entered labs 100 years ago. Thomas Hunt Morgan‚ who lived from 1866 to 1945‚ was the founder of drosophila genetics. Thomas preformed his research in Morgan lab at the Columbia University in 1910. Here was when they found a famous mutation‚ know as the white-eyed fly. Quite an accomplishment was this discovery‚ but the end of the 1980’s there were 3‚000+-recorded mutations. Now drosophila is very popular; so popular

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    Fruit Fly Lab Report

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    The purpose of this experiment was to determine the F1 genotype of fruit fly traits using the phenotypic ratio of the F2 generation and to express these results of the unknown cross through a Chi-square model and Mendelian genetics. After the experiment‚ it was found that the parents held a heterozygous genotype through using the Chi-square model‚ and that the observed and expected values fall within the Chi-squared value which also falls into the p-value. The Chi-squared value was 5.64‚ the degrees

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    Fruit Fly Lab Report

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    Drosophila melanogaster is a common fruit fly that has been useful for most experiments in the study of Genetics. The male and the female fruit fly are similar and different in regards to how they look‚ structurally. They are similar because both genders have a head‚ thorax‚ proboscis‚ antennae‚ eyes‚ and mouth parts. However‚ males are smaller than females and have about five abdominal segments as opposed to the seven that the female has. The life cycle of these fruit flies consist of egg‚ larvae‚ metamorphosis

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    Fruit Fly Lab Report

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    Introduction The fruit fly or Drosophila melanogaster is ideal for classroom experiments. They are inexpensive‚ easy to nap‚ breed‚ as well as observe. It was very important to be able to tell the male and female flies apart from one another. The males are known to be usually smaller in size than the female flies and have bristles on their forelegs while the females lack this appearance. Also the males have a black or dark round end whereas the females have striped pointy ends. The Drosophila flies are small

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    Fruit Fly Lab Report

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    Introduction In this lab a study of fruit fly genetics was done these creature are readily used for genetic studies .they are easy to maintain. And the females lay a lot off eggs which develop in about two weeks. Fruit fly’s have for distinct stages‚ the egg‚ larva‚ pupa and adult. the egg and larva stages last for eight days‚ the pupal stage last for six days and then the adult stage which last for many weeks this period of growth is called instars. In this lab a dihybrid cross was performed

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