Studies of the Offspring of Nonschizophrenic Co-Twins from Discordant Twin

question 88

Multiple Choice

Studies of the offspring of nonschizophrenic co-twins from discordant twin pairs suggest that ________

• A) environmental factors play a more important role than genetic factors in the origin of schizophrenia.
• B) genetic factors cause schizophrenia, while environmental factors are essentially unimportant.
• C) a genetic predisposition to schizophrenia may remain unexpressed in some individuals unless it is released by some unknown environmental factors.
• D) the heritability of schizophrenia involves the transmission of a single dominant gene.

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Definitions:

Activity Rate

A measure used to assign costs to cost objects, based on the activities that drive costs in an activity-based costing system.

Activity-Based Costing

A cost allocation method that spots activities inside an organization and apportions the costs of these activities to all products and services, according to how much they actually use.

Manufacturing Overhead

All manufacturing costs that are not directly related to individual products, including costs related to indirect labor, materials, and factory operations.

Machining

The process of cutting, shaping, or removing material from a workpiece using machines.