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Drosophila Melanogaster Genetics - Lab Report Example

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The paper "Drosophila Melanogaster Genetics " highlights that the results have shown that the bar eye mutation is dominant, and the ebony body color mutation is recessive.  Our results show that the bar eye mutation was a heterozygous double bar eye mutation…
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Drosophila Melanogaster Genetics
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Download file to see previous pages The bar eye mutation was consistent with being sex-linked, occurring on the X chromosome since different normal/mutant ratios between females and males were observed within some of the crosses; normal/mutant ratios were found to be the same for females and males with the ebony mutation, showing that it is not sex-linked. No intergenic interactions were observed since the normal/mutant ratios of one mutation did not appear to have any effect on the ratios of the other mutation. This is in line with the two mutations occurring on different chromosomes.
This genetics experiment was a Drosophila “dew lover” Melanogaster “dark gut” (fruit fly) study, or “Study of the Dark gutted dew lover”. The purpose of this study was to determine the genetics of Drosophila from the phenotype counts.
Drosophila is one of the most useful organisms for genetic analysis. The Drosophila melanogaster species is linked to at least 11 other species of the Drosophila genus and was one of the first organisms to be used in genetic analysis, so its genome is known well. Drosophila has been used in sex-linkage and genetic recombination studies. The genome of D. melanogaster is studied in order to unravel “the molecular mechanisms underlying development, behavior, aging, and many other processes common to metazoans for which Drosophila is such an excellent model” (Adams 2195). D. melanogaster has been used to study, for instance, deleterious mutation accumulations by insertions of a transposable element, copia. “About half of the major morphological mutations in flies are caused by TE insertions” (Houle 17). Drosophila continues to be a good source for studying mutation genetics.
The usefulness of studying D. melanogaster can be seen from the way it has been used to further studies of human disease. D. melanogaster has been used to study human cancer, neurological disease, and other disease conditions.  ...Download file to see next pagesRead More
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1. No 2. The genotype of the male parental flies e/e ; vg+/vg+ 3. The genotype of the female parental flies e+/e+ ; vg/vg 4. e ; vg+ 5. e+ ; vg 6. Yellow- brown colour with normal size wings
7. e+/e ; vg+/vg
8. e+ ; vg+ e+ ; vg e ; vg+ e ; vg
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e+ ; vg+
e+ ; vg
e ; vg+
e ; vg
e+ ; vg+
e+/e+ ; vg+/vg+
e+/e+ ; vg+/vg
e+/e ; vg+/vg+
e+/e ; vg+/vg
e+ ; vg
e+/e+ ; vg+/vg
e+/e+ ; vg/vg
e+/e ; vg+/vg
e+/e ; vg/vg
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e+/e; vg+/vg
e/e; vg+/vg+
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