Figure 1 (IMAGE) Shinshu University Caption The wild-type strain produces clockwise-coiled (dextral) snails only (left). The mutant strain however produces both clockwise and counterclockwise-coiled (sinistral) sibling snails (right). Credit Noda Takeshi, Shinshu University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.