Research with prairie voles and sheep indicate that the "daddy hormones" might be

A) estrogen and testosterone.
B) estrogen and oxytocin.
C) oxytocin and vasopressin.
D) vasopressin and testosterone.

Daddy Hormones

A colloquial reference to physiological changes in hormone levels observed in some men during their partner's pregnancy or after the birth of their child.

Oxytocin

A hormone and neurotransmitter involved in childbirth and lactation, also associated with empathy, trust, sexual activity, and relationship-building.

Vasopressin

A hormone secreted by the pituitary gland that regulates water balance in the body and plays a role in social behavior and bonding.