What does this image show? Sister chromatids with different DNA sequences. Sister chromatids connected by two centromeres. Two copies of dsDNA. One copy of dsDNA. A pair of homologous chromosomes. Which of the following is NOT an example of epigenetics? Histone methylations and acetylations that are passed on to offspring DNA methylation that silences genes. Parents' diets that affect the silencing of their offsprings' genes. Changes in the DNA sequence that lead to mutations in certain genes. Noncoding RNAs that pass from parent to child..