Approximately What Percentage of the Cases Represented by the Normal

question 80

Multiple Choice

Approximately what percentage of the cases represented by the normal curve fall between -2 and +2 standard deviations from the mean?

• A) 34
• B) 68
• C) 95
• D) 100

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Definitions:

Klinefelter Syndrome

A genetic condition in males resulting from an extra X chromosome (XXY), characterized by reduced fertility, testicular atrophy, and sometimes lower levels of testosterone.

XXY

A chromosomal condition where an individual has an extra Y chromosome, typically resulting in Klinefelter syndrome, characterized by physical and sometimes cognitive features.

Sex Chromosomes

Chromosomes that determine the sex of an organism, typically referred to as X and Y in many species.

Jacobs Syndrome

A genetic disorder characterized by the presence of an extra Y chromosome in males (47,XYY karyotype).