DNA replication - PowerPoint - PowerPoint by t9I7HJY

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									• DNA -BLUEPRINT
  OF LIFE

• Genes are “packets”
  of DNA on
  chromosomes
        DNA REPLICATION
• When? Interphase of mitosis and
  meiosis

• Why? -growth, repair, replace
DNA REPLICATION
 • Enzymes “unzip” the helix
 • DNA Polymerase adds new
   bases to each original strand
 • Matches A-T AND C-G
 • DNA replication is
   “semiconservative”- one new
   strand, one old strand
 • WE CREATE AN EXACT
   DUPLICATE OF THE ORIGINAL

								
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