Question: Please use C,C++,Java or Python programming language to design your computer programs. (2090) A DNA sequence or genetic sequence is a succession of letters representing

Please use C,C++,Java or Python programming language to design your computer programs.

(2090) A DNA sequence or genetic sequence is a succession of letters representing the primary structure of a real or hypothetical DNA molecule or strand, with the capacity to carry information as described by the central dogma of molecular biology. The possible letters are A, C, G and T, representing the four nucleotide bases of a DNA strand-adenine, cytosine, guanine, thymine-covalently linked to a phosphodiester backbone. Given a string of DNA strand, for example, ACTTACATTA.. Please write a program gc_ratio) to report how GC-rich some sequence is. (In other words, just give the percentage of G and C in the DNA.) 3

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