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Write a function called DNAcomplement that consumes a set of letters as a charac

ID: 3625397 • Letter: W

Question

Write a function called DNAcomplement that consumes a set of letters as a character array that form a DNA sequence such as 'gattaca' . The function will produce the complement of the sequence so that a 's become t 's, g ' s become c 's, and vice versa. The string 'gattaca' would therefore become 'ctaatgt' . You may assume that all the letters in the sequence will be lowercase and that they will all be either a, t, g, or c. Note: You may be tempted to use iteration for this problem, but you don't need it.

Explanation / Answer

//FileName: DNAcomplement.m function convertedText = DNAcomplement (text,n)
convertedText=ones(1,n);
for i=1 : n
    if text(i) == 'a'
        convertedText(1,i) ='t';
    else if text(i) == 'g'
            convertedText(1,i) = 'c';
        end
    end   
end >> convertedText =DNAcomplement('gatacca',7);
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