Human males who have the same multihistocompatibility complex as a female are rated by the female as having a more pleasant body odor.

Question

Quizplus · Accepted Answer

Females tend to rate the body odor of males with different major histocompatibility complex (MHC) genes as more pleasant, suggesting a biological mechanism to avoid inbreeding and to ensure better immune system diversity for offspring.

Human Males Who Have the Same Multihistocompatibility Complex as a Female