Incestuous relationship between mother and son is called as?

Ans. is 'a' i.e., Oedipus complex * In psychoanalysis, the Oedipus complex is a child's desire, that the mind keeps in the unconscious via dynamic repression, to have sexual relations with the parent of the opposite sex (i.e. males attracted to their mothers, and females attracted to their fathers)* The Oedipus complex occurs in the third -- phallic stage (ages 3-6) of the psychosexual development.* Sigmund Freud coined the term "Oedipus complex"* Boys and girls experience the complex differently: boys in a form of castration anxiety & girls in a form of penis envy (Electra complex).