Barr Bodies

question 68

Multiple Choice

Barr bodies

• A)are formed in females
• B)are formed only in males
• C)cause an increased production of X-linked gene products
• D)inactivate Xic on autosomes
• E)are formed only in males and inactivate Xic on autosomes

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Definitions:

Standard Deviation

A measure of the dispersion or variability within a set of numerical data, indicating how spread out the values are.

Mean

The arithmetic average of a set of numbers, found by dividing the sum of all the numbers by the count of the numbers.

Population Variance

A measure of the dispersion of a set of data points in a population, calculated as the average of the squared deviations from the mean.

Sample Variance

A measure of the dispersion or spread of a set of data points in a sample, illustrating how much the data differ from the mean.