Final answer:
None of the given statements accurately reflect the true and variable nature of gender roles across different microcultures; instead, the dynamics of gender roles are shaped by complex social, cultural, and historical contexts and vary widely between societies.
Step-by-step explanation:
In the context of microcultures, the statement that is true of male and female segments is: none of the given statements entirely capture the nuanced and variable nature of gender roles across cultures. To dissect the options given: 1) The claim that men tend to be more heuristic/intuitive is a sweeping generalization and does not hold true across all individuals or societies. 2) Marketers do indeed need to be aware of the relative sex roles within societies as they are not all the same—cultural sensitivity is key in marketing. 3) The differences between societal expectations of men and women can vary greatly in both Eastern and Western cultures, with some societies having more rigid roles and others more fluid ones. 4) Sex roles are not found only in patriarchal societies—they exist in various forms across different societal structures. It's important to recognize that the dynamics of gender roles are continuously shaped by social, cultural, and historical contexts.