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Basic Genetic Concepts and Terms PowerPoint Presentation

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Description : Check out this medical presentation on Genetics, which is titled "Basic Genetic Concepts & Terms", to know about basic genetic concepts.

Tags : Genetics, Concepts, Terms

Published on : Jul 12, 2021 | Views : 2058 | Downloads : 0

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Basic Genetic Concepts & Terms 1
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Genetics: what is it? What is genetics? “Genetics is the study of heredity, the process in which a parent passes certain genes onto their children.” (http://www.nlm.nih.gov/medlineplus/ency/article/002048.htm) What does that mean? Children inherit their biological parents’ genes that express specific traits, such as some physical characteristics, natural talents, and genetic disorders. 2
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Word Match Activity Match the genetic terms to their corresponding parts of the illustration. base pair cell chromosome DNA (Deoxyribonucleic Acid) double helix* genes nucleus Illustration Source: Talking Glossary of Genetic Terms http://www.genome.gov/glossary/ 3
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Word Match Activity base pair cell chromosome DNA (Deoxyribonucleic Acid) double helix* genes nucleus Illustration Source: Talking Glossary of Genetic Terms http://www.genome.gov/glossary/ base pair cell nucleus chromosome (double helix) DNA genes 4
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Genetic Concepts H describes how some traits are passed from parents to their children. The traits are expressed by g , which are small sections of DNA that are coded for specific traits. Genes are found on ch ___. Humans have two sets of _ (hint: a number) chromosomes—one set from each parent. 5
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Genetic Concepts Heredity describes how some traits are passed from parents to their children. The traits are expressed by genes, which are small sections of DNA that are coded for specific traits. Genes are found on chromosomes. Humans have two sets of 23 chromosomes—one set from each parent. 6
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Genetic Terms Use library resources to define the following words and write their definitions using your own words. allele: genes: dominant : recessive: homozygous: heterozygous: genotype: phenotype: Mendelian Inheritance: 7
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Mendelian Inheritance The inherited traits are determined by genes that are passed from parents to children. A child inherits two sets of genes—one from each parent. A trait may not be observable, but its gene can be passed to the next generation. 8
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Mendelian Inheritance Each person has 2 copies of every gene—one copy from mom and a second copy from dad. These copies may come in different variations, known as alleles, that express different traits. For example, 2 alleles in the gene for freckles are inherited from mom and dad: allele from mom = has freckles (F) allele from dad = no freckles (f) child has the inherited gene pair of alleles, Ff (F allele from mom and f allele from dad). 9