Lecture 8 - Cys$cFibrosis Mostcommongene$cdisease Chapter20...

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3/5/10 1 Chapter 20 Inheritance, Gene1cs, and Molecular Biology Cys$c Fibrosis Most common gene$c disease 5% of popula$on are carriers Life expectancy 5‐30 years CF‐ what happens? CF‐ gene$c disease Genes Traits, appearances, and even intellect can be aEributed to our genes Genes, made of strings of DNA, contain the direc$ons for making the millions of proteins that your body uses Genes and DNA are found in the nucleus of almost every cell in your body The number of es$mated genes in the human body is about 20,500 DNA DNA is made up of genes and “other stuff” Gene$c factors are important in determining our individuality Your individual DNA sequence codes for the specific arrangement of amino acids in each of the millions of proteins in your body the 3‐billion‐plus individual base pairs in the nucleus of the human cell spell out everything you need to become a human DNA exists in trillions of cells, and it can be copied thousands of $mes
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