Twin Studies Yield Heritability Estimates of __________ for Major Depressive

question 22

Multiple Choice

Twin studies yield heritability estimates of __________ for major depressive disorder.

• A)37%
• B)85%
• C)25%
• D)70%

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Definitions:

Adaptive Behaviour

Actions and skills that allow an individual to meet standards of personal independence and social responsibility appropriate for their age and cultural group.

Intellectual Disability

A disability characterized by significant limitations in both intellectual functioning (reasoning, learning, problem solving) and in adaptive behavior, which covers a range of everyday social and practical skills.

Subaverage Intellectual Functioning

Below average intellectual capability as demonstrated by an IQ typically under 70, and associated with difficulties in adaptive functioning.

Dominant Inheritance

A pattern of inheritance in genetics where an allele is expressed in the phenotype, even in the presence of a different allele.