If Twins Are of Two Different Sexes,they Must Be Fraternal

question 129

True/False

If twins are of two different sexes,they must be fraternal.

---

Definitions:

Developmental Tasks

Specific achievements or milestones that individuals are expected to accomplish within a certain age range as part of their psychological growth.

Incidence Of Depression

The rate at which new cases of depression are identified in a specific population within a certain period of time.

Late Adulthood

A stage of human development that typically starts around the age of 65 and is characterized by physical, cognitive, and social changes, including retirement, adjusting to aging, and contemplating one's legacy.

Causes Of Depression

Refers to a combination of genetic, biological, environmental, and psychological factors that contribute to the onset of depressive disorders.