Imagine You Hear a Report About a Heritability Study That

question 33

Multiple Choice

Imagine you hear a report about a heritability study that claims trait X is "50% genetic." Which of the following is a more accurate way of stating this?

• A) Fifty percent of individual difference of trait X within a population are due to genetic factors.
• B) Only half of a population has the trait.
• C) The trait is homozygous.
• D) More than 50% of similarities of trait X within a population are the result of genetic factors.

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Definitions:

Intellectual Disability

A condition characterized by significant limitations both in intellectual functioning and in adaptive behavior, which covers a range of everyday social and practical skills.

Aphasia

A condition characterized by the impairment of language ability, affecting production, comprehension, reading, or writing, due to brain damage.

Apraxia

A motor disorder caused by damage to the brain, where the individual has difficulty performing movements or gestures despite having the desire and physical capacity to do them.

Agnosia

A condition marked by the inability to recognize objects, persons, sounds, shapes, or smells while the specific sense is not defective nor is there any significant memory loss.