1-62.Studies of Monochorionic and Dichorionic Twins

question 54

Multiple Choice

1-62.Studies of monochorionic and dichorionic twins

• A)offer further evidence of the role of the prenatal environment in schizophrenia.
• B)suggest that schizophrenia is more heritable than previously thought.
• C)indicate that the risk of developing schizophrenia is not altered by the prenatal environment.
• D)establish that genetic relatedness to an affected individual has nothing to do with one's risk of developing schizophrenia.

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Definitions:

Total Fixed Cost

The sum of all constant expenses that a company incurs, regardless of the manufacturing or sales volume.

Relevant Range

The range of activity or volume over which the assumptions about fixed and variable cost behavior hold true.

Napkins

Paper or cloth products used at the table for wiping the mouth and fingers while eating.

Fixed Cost Per Unit

Fixed Cost Per Unit is the total of all costs that do not change with the level of production or sales, divided by the number of units produced, showing how fixed costs dilute as volume increases.