Craig Has One Short Copy and One Long Copy of the Serotonin

question 157

Multiple Choice

Craig has one short copy and one long copy of the serotonin transporter gene.What does this tell us about his vulnerability for major depressive disorder? 

• A)It is almost completely certain that Craig will be diagnosed with major depressive disorder at some point during his lifetime. 
• B)It is almost completely certain that Craig will not be diagnosed with major depressive disorder. 
• C)Craig has a moderate chance of developing major depressive disorder regardless of his lifestyle and exposure to stress. 
• D)Craig has a moderate chance of developing major depressive disorder, but this is more likely if he is exposed to severe stress.

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Definitions:

Sample Variance

Sample variance is a measure of the dispersion or variability of a sample dataset, calculating how much the numbers differ from the sample mean.

Consistent

A statistical property indicating that as the size of the sample increases, the estimator converges in probability to the parameter being estimated.

Unbiased Estimators

Statistical estimators that, on average, accurately predict the value of a population parameter without systematic error.

Smallest Variance

The smallest degree of spread or dispersion of observations around the mean in a dataset, indicating less variability.