Positive correlation between DNA and X means if DNA then more likely X. (A correlation of 1 is perfect, so if DNA then always X.) Negative correlation between

Positive correlation between DNA and X means if DNA then more likely X. (A correlation of 1 is perfect, so if DNA then always X.) Negative correlation between DNA and X means if DNA then more likely not X. (A correlation of -1 is perfect, so if DNA then never X.)