Listen to the lecture again and complete the summary in your notebook. Write one or two words in each gap. • Chimpanzees and humans have many character traits in common as they share 98% of the same genetic material. Their 1 lives are similar, and mothers and children of both species form strong ties. What comes as a surprise is the fact that chimpanzees can turn out | Focus 4. Second Edition. Student's Book | 3/119