The letters in dreams can identify a person related to you or symbolize a characteristic situation. The analysis of these data should be compared with the other aspects of the dream.
Dream dictionary: Initials dream meanings
…Dreaming about DNA has ambiguous meaning. To dream about DNA, represents your scientific nature. Alternatively, it suggests for you to calculate everything very pedantic. To be such person is a huge advantage. If you don’t have scientific abilities and you aren’t pedant, then you need to have such qualities. The dream suggests that you need to focus your attention and think a lot about things. You need to carefully plot out everything in order to move forward in life. Maybe you need to learn from the negative situations that you have experienced in your life. The dream may also represent the initials of some persons or something else. The initials are D, N and A. You should consider who or what in your life has these initials….