Write a program to transcribe DNA to RNA c++

Feb 7th, 2015
Price: $5 USD

Question description

 Nesting: L. 2 Application, Code Writing (Biology). Write a program to
transcribe DNA to RNA.  Have the user enter a string called dna, then loop over
it and transcribe each character as follows: A->U, T->A, C->G, G->C. Make sure it is formatted correctly [5]. Example interaction is shown below.
> ACGTGA  // input
< UGCACU  // output
note: I have written a program that will transcribe one into the other, but I can't figure out how to get it to transcribe a string input. This is what I have come up with:

#include <iostream>
using namespace std;

int main() 
  cout << "> ";
  cin  >> dna;
  int a = dna;
  cout << "< ";
    if (a == 'A') cout << 'U';
    else if (a == 'C') cout << 'G';
    else if (a == 'G') cout << 'C';
    else if (a == 'T') cout << 'A';
    cout << " "<< endl;
    return 0;

I'm pretty sure the program has to include a for loop, but I'm uncertain as to how to initialize it and what the condition would be.

Tutor Answer

(Top Tutor) Akhil S336
School: Carnegie Mellon University

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