Identical twins are genetically identical.
For this reason, twins separated at birth and later reunited have been subjects for scientific researchers investigating the influence of heredity and environment on human personality. Materials Procedures Adaptations Discussion Questions Extensions Evaluation Suggested Readings Links Vocabulary Academic Standards Credit Printable version of the lesson plan in rich text format. Use our Teaching Tools to create custom worksheets, puzzles and quizzes about this topic. Back to Top 1. Continue the discussion by asking students to come up with ways the question could be scientifically investigated.