How similar are daughter cells to each other and to the original parent cell

In two sentences explain the differences of neutrophil and macrophage

Why may some young adults go through a quarter-life crisis? a. they are entering middle age and feel distressed about growing old. b. they feel insecure about themselves and their future. c. they have been promoted to more secure, better-paying jobs. d. they have developed more stable personal relationships.

Which of the following is a single-gene trait in humans? a.widow's peak hairline b.height c.intelligence