Cell Genetics

Cell Genetics - BY101 Genetics Department ofBiology 1 Topic...

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1 Department of Biology       BY 101      Genetics
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2 Topic Objectives 1. Understand the experiments of Gregor Mendel and why these were important to the history of genetics 2. What were the four Mendelian Principles? 3. Understand the Principle of Unit Factors 4. Understand the Principle of Dominance; differentiate between complete and incomplete dominance 5. Understand the Principle of Segregation 6. Understand the Principle of Independent Assortment 7. Understand when and how DNA duplication occurs 8. Know the five different nucleotides and understand their relationship in nucleic acid formation 9. Know how RNA is synthesized; understand the difference between DNA duplication and RNA synthesis 10. Know the type of information stored in DNA
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3 Topic Objectives 1. Know how information is stored in DNA; understand the code symbols and how the genetic code works 2. Understand the structure of a chromosome 3. Know the structure and function of a gene 4. Know the purpose of protein synthesis and the sequence of steps involved in protein production; know the difference between transcription and translation 5. Know the structure and function of the three types of RNA, mRNA, rRNA, and tRNA 6. Understand the definition of a mutation; know how the different types of mutation occur 7. Know the difference in function between the two types of cell division, mitosis and meiosis
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4 Topic Objectives 1. Know the steps of mitosis and what occurs during each step 2. Know the steps of meiosis and what occurs during each step 3. Understand that mitosis is a duplication cell division and meiosis is a reduction cell division. 4. What is responsible for human variation of traits; understand crossing over and metaphase I orientation 5. Understand the concepts of haploid and diploid, homologous chromosomes, homozygous and heterozygous, genotype and phenotype 6. Understand the relationship between homologous chromosomes and gene pairs (genotype). 7. Understand the difference in how dominant and recessive genes are expressed (traits produced). 8. Understand how different genotypes and phenotypes can be produced in offspring with parents of different genotypes and phenotypes 9. Generally understand the genetic abnormalities that we discuss in class
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5 Gregor Mendel  (1822-1884) A monk in a monastery in the area  that today is the Czech Republic During his gardening duties in the  monastery (1865), he noticed  patterns of inheritance through  successive generations of plants The current understanding of  scientists was that inherited traits  were the result of a blending of the  traits of the parents
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6 Traits of the Pea Plants Used by Mendel
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7 Mendelian Principles From his experimental results, Mendel proposed four principles to explain the inheritance of traits: The principle of Unit Factors The Principle of Dominance The Principle of Segregation The Principle of Independent Assortment
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8 Mendelian Principles 1.
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Cell Genetics - BY101 Genetics Department ofBiology 1 Topic...

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