In Twin Studies, Scientists Measure Concordance, Which Is Defined as The

question 105

Multiple Choice

In twin studies, scientists measure concordance, which is defined as the:

• A)extent to which variation in phenotype in a population is due to variation in genotype.
• B)percentage of cases in which both members of a pair of twins show the trait when at least one member shows it.
• C)percentage of cases in which both members of a pair of identical twins, but not fraternal twins, show the trait when at least one member shows it.
• D)percentage of cases in which both members of a pair of fraternal twins, but not identical twins, show the trait when at least one member shows it.
• E)extent to which differences in the environment influences differences in phenotype.

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Definitions:

Agnosia

A neurological disorder characterized by the inability to recognize and process sensory information, typically despite normal sensory function.

Aphasia

A neurological condition characterized by the impairment of language abilities, affecting speaking, understanding, reading, and writing, often due to brain damage.

Occipital Cortex

The region of the cerebral cortex at the back of the brain, primarily involved in processing visual information.

Sensation Area

The sensation area refers to regions within the brain responsible for processing sensory input from the environment, such as areas in the cortex dedicated to vision, hearing, touch, taste, and smell.