BIOLOGY CH 10 GENETICS WORKSHEETS - ANSWERS Section 10-1 VOCABULARY REVIEW 1. A purine is a nitrogen-containing base with two rings of carbon and nitrogen atoms. Examples may include adenine or guanine. 2. A pyrimidine is a nitrogen-containing base with one ring of carbon and nitrogen atoms. Examples may include cytosine or thymine. 3. A complementary base-pair is a pair of nitrogencontaining bases connected to each other by hydrogen bonds. Examples may include adeninethymine and cytosine-guanine
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They receive much more rain yearly which is why they have many more herbivores in the habitat compared to the Minnesota habitat which has barely any herbivores. Part 2: a. The two gene products are stored in different parts of the cell so it is not as easy to activate the cyanide. Since the cyanide requires two gene products to work if they are stored in different areas it is harder to get the two and therefore activate the powerful poison. Only under certain conditions will cyanide be activated
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reproduce hundreds of offspring. The most important thing about studying fruit flies‚ however‚ is the ease with which inherited traits can be observed in them. Heritable traits are those that are expressed in organisms due to genes passed down to them by their parents. The genes can be carried on either the autosomes or the sex chromosomes. The traits themselves can be either dominant or recessive‚ and are referred to physically as phenotypes and genetically as genotypes. (Hurney‚ Pesce‚ Babcock 2005)
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A genetic disease is an illness caused by a defect in a person’s genes. Some of these disorders are rare and some are quite common depending on race‚ heritage‚ and even gender. Bloom’s Syndrome is a rare genetic disease known for affecting someone’s physical and genetic traits‚ this disorder can cause problems for whoever is diagnosed with it. Bloom’s Syndrome is a disease characterized by how its identified‚ its frequency‚ how it was discovered‚ its symptoms‚ and its treatments. Bloom’s Syndrome
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One of the topics discussed in class is behavior genetics‚ which is in Chapter 3: The Nature and Nurture of Behavior. Behavior genetics is the scientific study of the influence of genes and environments on individual differences in traits and behavior. A movie related to this topic is “The Identical”‚ a 2014 American musical drama film directed by Dustin Marcellino. The movie tells a compelling story of identical twin brothers‚ Ryan and Drexel‚ who were unknowingly separated at birth during the
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proteins involved in cell division. A gene contains the instructions for how to make a protein. By mutating a gene‚ the protein’s shape‚ size and function could all be affected. Mutating a gene changes its instructions. Once a mutated gene is created and incorporated into a cell’s DNA‚ the cell replicates‚ creating many cells containing the mutant gene. The cells with the changed gene can then be compared to normal cells. For starters‚ you must chemically "cut" the gene you want to study from the DNA strand
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The Gene Gateway Workbook A collection of activities introducing new users to the web resources that scientists access to learn about genetic disorders‚ genes‚ and proteins. To view the chromosomes of the Human Genome Landmarks poster online
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whole sets of genes and their interactions. Bioinformatics – is the application of computational methods to the storage and analysis of biological data Linkage Map – maps the location of several thousand genetic markers on each chromosome Physical Map – Expresses the distance between genetic markers‚ usually as the number of base pairs along the DNA Metagenomics – DNA from a group of species (a metagenome) is collected from an environmental sample and sequenced Gene Annotation – identification
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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) and the st+ gene is located on the 3L chromosome
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factor 4 (fgf4)‚ which was recently acquired through retro gene encoding‚ is one of the chief reasons behind the production of chondrodysplasia in dogs. b. Development of what part of the
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