conditions are mainly formed due to mutations in a person’s gene. Genetic conditions have helped scientists a lot due to the different types of genetic conditions there are out in today’s world. Ectodermal Dysplasia a genetic condition that is not a single disorder. It is built upon several other closely related dysfunctions. ED affects the growth or development of the teeth‚ hair‚ nails‚ and sweat glands. Ectodermal Dysplasia is usually caused by mutations in the EDA gene which are inherited
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author discusses his experience in studying the effects of pollutants on rats. He conducted an experiment where pregnant rats were injected with some chemicals used often for farming. Originally‚ the study was done to see if the chemicals caused DNA mutations in the offspring‚ there were no intentions of studying epigenetics. Most of the male offspring ended up with abnormal testes‚ but
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Bio 120: Adaptation & Biodiversity Exam Study Notes (Lectures 12-23) - LECTURE 12: INTRODUCTION TO EVOLUTIONARY BIOLOGY 1. 2. 3. 4. Evolution How it is studied Facts supporting Evolution Biodiversity & adaptation Levels of biological organization: Molecules Æ Cells Æ Organisms Æ Populations Æ Communities Æ Ecosystems Types of questions in evolutionary biology: - Scope: small questions can help towards solving a big question; large questions require multiple lines of evidence
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detected some important patterns in the data. They claimed that a different genetic mutations might disturb the entire network. This finding can lead to genetic rearrangements‚ new pathways. Even if autism is turned out to be a genetically based disease‚ it does not pass down through generations. Researchers conducted a study of twins and other families‚ which showed that the autistic kids have more genetic mutations than unaffected siblings. In addition‚ the study found out that why boys tend to have
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ST JOHN’S UNIVERSITY OF TANZANIA FACULTY NATURAL AND APPLIED SCIENCE DEPARTMENT OF BIOLOGY DEGREE COURSE : BSC.EDUCATION COURSE CODE : BL 302 COURSE TITLE : EVOLUTIONARY BIOLOGY NATURE OF WORK : GROUP ASSIGNIMENT YEAR OF STUDY : 3RD YEAR‚ 2nd SEMISTER COURSE INSTRUCTOR: MR MWANANZILA‚ F. PARTICIPANTS S/NO | NAME | REGISTRATION NUMBER | 1 | MWAIPOPO JACKSON | 2009/1393 | 2 | JOHN VENANCE | 2009/1406 | 3 | HALISON YELIKO | 2009/2541 | 4 | ERASTO GASPAR
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paper is‚ “the decoupling of selection and adaptation” (Gould 592). This is a population where adaptation occurs without selection or selection without adaptation. In this type of programme Gould describes a situation where a population undergoes a mutation that doubles the fecundity‚ which doubles the offspring produced. This would be beneficial in nature if the amount of offspring survival was doubled‚ but due to limited resources half would not survive‚ producing the same amount of offspring. The
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Genetics- Word Count: 214 Sickle cell disease is a genetic blood disorder that plagues millions of people all over the world‚ the highest concentration is found among people of Sub-Saharan African descent. Sickle cell disease is caused by a mutation in the HBB gene located on chromosome 11. Hemoglobin in red blood cells is how oxygen is delivered to cells throughout the body and is composed of four subunits‚ two subunits of alpha- globin and two of beta- globin. The HBB gene provides the instructions
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genetic mutation in all of their cells (germline mutation) or acquire a genetic mutation in a single cell during his or her lifetime. An acquired mutation is passed on to all cell that develop from that single cell(called somatic mutation).Somatic mutation can sometimes be caused by environmental factors‚ such as cigarette smoke” (Cancer.net‚ 2011). There are several genetic factors linked to an increase risk of cancer. Hereditary Breast Ovarian Cancer (HBOC) is associated with mutations in the
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the eyes. Retinoblastoma traces to one locus which includes chromosome 13 which codes for the RB1 tumor suppressor gene. RB1 codes by 928 amino acids and would be mutated by deletion‚ insertion‚ missense‚ or nonsense‚ which are all known as a point mutation. If RB1 becomes mutated‚ it would be unable to suppress the tumors that would be developing in the body thus allowing for cancerous cells to spread and develop over most areas of the body and affect the genotype. Retinoblastoma affects one
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sugars and possibly fats are given through a vein (IV). II. Nature of this Mutation -Symptoms of this mutation include avoiding food‚ coma‚ feeding difficulties‚ lethargy‚ seizures‚ urine that smells like maple syrup‚ vomiting. -The nature of this mutation is more of a point mutation in the BCKDHA‚ BCKDHB‚ DBT‚ and DLD genes. These genes have the instructions for the making of proteins‚ and so if a mutation (addition‚ deletion‚ substitution) occurs the result will eliminate the function
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