A Broad-Sense Heritability of 0

question 31

Multiple Choice

A broad-sense heritability of 0.8 for a particular trait indicates that

• A) genetic differences among individuals account for much of the phenotypic variation for that trait.
• B) the trait is 80 percent heritable.
• C) phenotypic variation stems from environmental influences.
• D) genes and environment play equal roles in shaping the trait.
• E) None of the above

---

Definitions:

Race/Ethnicity

Social categories that classify individuals based on physical characteristics, ancestry, historical affiliation, and cultural aspects, often influencing their social identity and experiences.

Depression

A common and serious mood disorder causing persistent feelings of sadness and loss of interest, affecting one's thoughts, behavior, feelings, and sense of well-being.

Gender Roles

Social and behavioral norms that are considered appropriate for individuals based on their perceived sex.

Biological Sex

A classification, typically as male or female, based on the internal and external reproductive organs, chromosomes, and hormones.