Final answer:
The conflict propels the plot by leading Dr. Jekyll to emphasize the importance of Hyde's inheritance in his will, highlighting the complexities of their relationship and intensifying the story's mystery.
Step-by-step explanation:
The conflict in this passage develops the plot by prompting Dr. Jekyll to ask Mr. Utterson to promise that Mr. Hyde will receive what is left to him in the will. Throughout the dialogue, Dr. Jekyll becomes increasingly agitated and desperate to ensure Mr. Utterson understands the importance of the will's conditions, even as Utterson reveals more about Hyde's misdeeds. The argument reveals the complex and troubled relationship between Jekyll, Utterson, and the ominous Hyde. Dr. Jekyll's concern for Hyde's future inheritance hints at the deep and unsettling connection between Jekyll and Hyde, capturing the reader's intrigue and advancing the narrative tension.