Examlex
A substance must be heterogeneous and have a fixed composition.
Personality Traits
Enduring characteristics that describe an individual's behavior, such as openness, conscientiousness, extraversion, agreeableness, and neuroticism.
Biological Relatives
Individuals who are related to one another through hereditary connections, including parents, siblings, and extended family members.
Heritability Coefficient
A statistical estimate that indicates the proportion of the variance in a trait which is attributable to genetic variation within a population.
Non-twin Relatives
Family members who are not twins but share a genetic relationship, such as siblings or cousins.
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