Figure 4. Pearson correlation values calculated within twin pairs in the 4 analyzed amplicons. (A) Correlation values within MZ twin couple in H19 amplicon. (B) Correlation values within MZ twin couple in IGF2_island. (C) Correlation values within MZ twin couple in IGF2AS. (D) Correlation values within MZ twin couple in IGF2_shore amplicon. In each figure male individuals are indicated with squares and female using a triangle.