Briefly describe the findings of the study, and describe how this research contributes relates to the question of "nature vs. Nurture." In your answer, use the words teratogen, context and bi-directionality.

Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome