Final answer:
Males and females in a primate population can be co-dominant, as shown by research on various primate species. Both males and females compete and cooperate in social life.
Step-by-step explanation:
Yes, males and females in a given primate population can be co-dominant. Research on various primate species has shown that both males and females actively compete and cooperate in social life. Primate social organization is complex, and while males may compete for dominance, females also exercise sexual assertiveness and have preferences for certain males.