According to Freud, transforming aggressive tendencies into becoming a surgeon is an example of what?

Research indicates that all human embryos

A) contain TDF at six or seven weeks gestation. B) have a female default pattern of development. C) have a male default pattern of development. D) are genetically male at conception.

The life stage known as adolescence is

a. a biologically defined event that begins at puberty. b. a culturally-defined period between childhood and adulthood. c. a stage of biological stability but social upheaval. d. recognized as the time between 13 and 18 in all cultures.