Dear help group,
  
    Just fyi a markov chain is a sequence of transitions between  states (say A,T,G,C - on a gene) with a given probability for each  transition. In this case there'd be 16 different kinds, each with a  different weight. 
    Given a transition matrix (4x4) filled with all transition  probabilities of course, how can I generate a random sequence of a  given length, say 200?
  
   -Norman Goodacre
  
		
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