Brad Trent Biology 301L 22 April 2014 Drosophila melanogaster Lab Report Drosophila melanogaster Population Genetics Introduction Population genetics is a very important topic that has to deal with the structure of populations and how different factors and phenomena cause change in the populations genetic
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ABSTRACT The microevolution of Alu element TPA-25 was tested in the experiment through the examination‚ observation‚ and analysis of population alleles distribution under the Hardy-Weinberg Theory of Genetic Equilibrium. Alu elements affect the genome by causing insertion mutations‚ recombination between elements‚ gene conversion‚ and alterations in gene expression. In the lab PCR was used to amplify a short piece of DNA from human genome which allowed us to look for a DNA sequence called an Alu
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Anthropology 1/9/13 Archaeology * The study of human behavior through material remains * Artifacts: items intentionally modified for use as a tool * Applied Archaeology Archaeological Tools * Survey * Test Pits * Excavation – digging & examining * Trowels * Careful excavation * Lab analysis Biological (Physical) Anthropology * The study of human biological variation in time and space 5 Special Interests within Biological Anthropology
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nucleotides in a gene is altered by a mutation‚ then the order in which amino acids are made into a protein will be changed. THE OCCURANCE OF MUTANT ALLELES & THE EFFECT OF MUTAGENIC AGENTS Most gene mutations produce an inferior version of the phenotype‚ i.e. the majority of mutant alleles are recessive. If this results in death‚ then the altered allele is said to be lethal. In the absence of outside influences gene mutations occur spontaneously and at random. Gene mutations also occur very rarely
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Gregor Mendel 1. Who was Gregor Mendel? Mendel was a scientist who gained a substantial amount of fame from his study of genetics. He studied the pea plant and its inheritance of certain traits. 2. What contributions did he make to science? His study of genetics led to an increase interest in the study of genetics. His biggest contribution to the study of science was his discovery of particulate inheritance‚ dominant and recessive traits‚ genotype and phenotype‚ and the concept of
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vannah Sanchez Pre-Assignment #2 1. Describe three patterns of chromosomal breakage and rearrangement. a. Three patterns of chromosomal breakage and rearrangement are deletion‚ balanced translocation‚ and isochromosomal translocation. Deletion is when part of a chromosome is lost affects its length and genetic composition. Translocation is when there is a coinciding break in two chromosomes in different parts resulting in exchange. Balanced translocation is when two homologous chromosomes break
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Cardiovascular System: Blood Purpose Explain why you did this lab and what if any safety precautions needed to be followed. The purpose of this exercise is to gain knowledge and become familiar with the components of blood and blood cells. In order to do this‚ a prepared slide as well as a slide using my own blood were used. The different types of cells along with antigen-antibody
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dumpy (dpy) mutations‚ can suppress the Bli phenotype. Sc109 is also another mutation that is found in a carrier of the bli-1 allele and was found to incompletely suppress the formation of blisters. Tetraspanin protein (TSP-15) is found to be needed to maintain the integrity of the epithelial membrane as a deficiency of TSP-15 lead to separation of cuticle layers. Dpy-5 alleles are dominant suppressors of bli-4 mutations although suppression is incomplete. Low counts of Bli phenotype emerged in a population
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nucleus contains 23 pairs of chromosomes [ref.Genetics - Genetic inheritance 2012] where DNA‚ the genetic material‚ is present. One chromosome in the pair is inherited from the mother; one from the father. Different forms of the same gene are called alleles‚ they can be dominant or recessive‚ and they arise when DNA code mutates. These DNA code mutations can be neutral and show no effect in human; it may be beneficial; but also it can cause a disease. Different diseases are being inherited through different
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CHAPTER 2: CELLS Learning about disease is often simplified by growing it in a dish – some cells like heart and nerve cells however do not grow easily outside the body. Cellular reprogramming takes cell back to a state similar to stem cells and then coaxes them to specialize in a different way. Example – LEOPARD syndrome MIM 151100. Acronym for symptoms: enlarged heart w/blocked valves to the lungs‚ freckles‚ abnormal genitals‚ deafness. Skin cells taken from patients were reprogrammed to give
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