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6 Chapter14
6 Chapter14
6 Chapter14
6 Chapter14
6 Chapter14
6 Chapter14
6 Chapter14
6 Chapter14
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6 Chapter14

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Transcript

  1. Chapter 14: The Human Genome “ Know Thyself.”
  2. Chromosomes <ul><li>Each human cell contains 46 chromosomes known as sex chromosomes, because they determine a persons sex. </li></ul><ul><li>Girl: XX </li></ul><ul><li>Boy: XY </li></ul><ul><li>Kristen Rasmussen </li></ul>
  3. Traits <ul><li>A trait is a specific inherited characteristic from your parents. </li></ul><ul><li>Thanks to Gergor Mendel we now understand how traits are passed on from generation to generation. </li></ul><ul><li>There are certain characteristics that are dominant and some characteristics that are recessive. </li></ul>- Cameron Thollaug
  4. Genes <ul><li>A gene is a series of DNA that codes for a protein and determines a trait. </li></ul>- Cameron Thollaug
  5. Sex Linked Genes <ul><li>The genes located on the X and Y chromosomes are the sex-linked genes . </li></ul><ul><li>There are more sex-linked genes on the X chromosome. Thus more diseases are connected to the X chromosome. </li></ul>- Cameron Thollaug
  6. Chromosomal Disorders <ul><li>Sometimes homologous chromosomes don’t separate, this is called nondisjunction meaning “not coming apart.” If this happens an abnormal amount of chromosomes can can get into the gametes, and a disorder may result. </li></ul>- Kristen Rasmussen
  7. Gene Therapy <ul><li>Gene therapy is when a absent or nonworking gene is replaced by a normal gene. </li></ul><ul><li>First successful gene therapy was performed in 1999. When French girls bone marrow was removed, modified and put back into her body. </li></ul><ul><li>Kristen Rasmussen </li></ul>
  8. The End

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