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Hannah g Hannah g
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6 years ago
Contagious diseases spread vertically through a population; genetic diseases spread horizontally through a population.
 
  Indicate whether the statement is true or false
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ngchristineengchristinee
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6 years ago
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Hannah g Author
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6 years ago
Thanks for your help!!
dri
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Yesterday
This helped my grade so much Perfect
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2 hours ago
Brilliant
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