Which of the following is untrue about dot plot method and its applications?

• A. This method gives a direct visual statement of the relationship between two sequences
• B. One of its advantages is the identification of sequence repeat regions based on the presence of parallel diagonals of the same size vertically or horizontally in the matrix
• C. It is not useful in identifying chromosomal repeats
• D. The method can be used in identifying nucleic acid secondary structures through detecting self-complementarity of a sequence