article_snippet.sent: Identical twins start life with the same genes because Identical twins come from the same fertilised egg which divides into two embryos.
article_snippet.sent: Identical twins start life with the same genes because Identical twins come from the same fertilised egg which divides into two embryos.
article_snippet.sent: Identical twins start life with the same genes, because Identical twins come from the same fertilised egg which divides into two embryos.
highlights_snippet.sent: Identical twins start life with the same genes from the same fertilised egg .
  