Final answer:
The experts in 'A Genetics of Justice' work together to develop the central idea of the ethical and social implications of using genetic technology.
Step-by-step explanation:
The central idea that the experts in 'A Genetics of Justice' work together to develop is the ethical and social implications of using genetic technology. They raise questions about racial or ethnic discrimination, the relationship between genetic linkage, crossing over, and genetic variation, and the social and ethical responsibilities that come with manipulating DNA. These topics highlight the need for a just society and the importance of considering genetics in various aspects of life.