"Monohybrid and dihybrid" Essays and Research Papers

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    Abstract The basic principle of Mendelian inheritance was studied using the fruit fly‚ Drosophila Melanogaster. A Cinnabar Brown female was crossed with Wild Type male. The flies were mated in a jar containing a nutrient medium and then placed in an incubator. The experiment was conducted over a period of 5 weeks. Cinnabar (cn) and brown (bw) are two loci in Drosophila with recessive eye colour mutations. Mutations in cn cause a bright red eye and mutations in bw cause a brown eye. Double mutants

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    Chapter 8: Cellular Reproduction – Cells from Cells 1. What are the three important roles of cell division? 2. Compare and contrast sexual and asexual reproduction. 3. Distinguish between the terms: DNA‚ gene‚ chromosome‚ replicated chromosome‚ sister chromatid and centromere. 4. What are the two phases of the cell cycle? What are the three stages of interphase? 5. Mitosis is the division of the ______‚ while cytokinesis is the division of the ______. 6. Describe the appearance

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    Fruit Fly Genetics

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    Genetics With Drosophila Flies Josh Derrall Lab Group: Dana Gilkes James Lupo Olivia Giannola December 4‚ 2012 Prof. Hunter Introduction Genetics is a topic that has been studied for hundreds of years. One of the most notable geneticists was Gregor Mendel. Mendel studied basic inheritance patterns and gene expression using pea plants. Mendel determined that the offspring of two parents contains one gene from each parent (McKusick 1983). However‚ since Mendels discoveries

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    BIOL 323-02 TTH 12pm-2pm Drosophila melanogaster: Monohybrid Cross & Sex-Linked Inheritance October 6‚ 2012 Abstract This lab involved a monohybrid reciprocal cross and a sex-linked cross utilizing Drosophila melanogaster fruit flies. After sexing the flies‚ placing them in media‚ and letting them cross breed‚ we analyzed and recorded the phenotypes that were observed. The P1 flies were anesthetized then sexed by observing their phenotypes and equally distributed

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    Genetics Study Guide Ch 2-4

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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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    Study Guyide

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    Biology: Concepts and Connections‚ 6e (Campbell) Chapter 9 Patterns of Inheritance Multiple-Choice Questions 1) Which of the following statements regarding domestic dogs is false? A) Dogs originated in East Asia. B) Dogs of different breeds can be identified through genetic analysis. C) Shar-pei and Akita are genetically very similar to the wolf. D) All dogs are descended from wolves. E) Humans have bred dogs for thousands of years. Answer: D Topic: Opening Essay Skill:

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    irrespective of the other gene pairs involved.(Carlson) The purpose of this lab is to teach students how traits of an organism can be predicted with a dihybrid cross using the recessive and dominant traits. Using a dihybrid cross given the phenotype and genotype of F1 (parents)‚ the traits of offspring should be predictable with ratios derived from the dihybrid cross. Materials and Methods: Part A- Materials furnished are containers of green and albino seedlings. Count the number of green and albino seedlings

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    Genetics Study Guide

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    I. How are gametes different from somatic cells? 1. Somatic Cells A. Body Cells i. Eyes‚ Liver‚ Spleen 2. Gametes A. Sex Cells i. Sperm‚ Eggs a. Sperm- Male Sex Cells b. Eggs- Female Sex Cells II. What do the terms haploid and diploid mean? 1. Haploid A. A cell only has one copy of each chromosome i. Somatic Cells 2. Diploid A. A cell has two copies of each chromosome i. Gametes III. What are homologous chromosomes? 1. Two chromosomes--one inherited

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    Internal Assessment | | A. SIMULATED BREEDING EXPERIMENTS WITH DROSOPHILA B. PROBABILITY AND MENDELIAN GENETICS IN PEA PLANTS | | Contents Part A Raw Data…………………………………………………………………………………………………………………...........................1 Processed Data……………………………………………………………………………………………………………………………………2 Conclusion…………………………………………………………………………………………………………………………………………..3 Part B Raw Data……………………………………………………………………………………………………………………………………………..4 Processed

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    Biology Notes

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    BLUEPRINT OF LIFE: CHAPTER 2 GENETICS Gregor Mendel’s experiments helped advance our knowledge of the inheritance of characteristics 2.1 GREGOR MENDEL AND THE BIRTH OF GENETICS Gregor Mendel (1822-84) – ‘the father of genetics’ Born in Austria He was an Augustinian monk He worked as a teacher and as an investigator He observed the growth of peas He recorded the ratios of characteristics that appeared in the offspring His discovery stated he observed a pattern in the inheritance of characteristics

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