What Is a Fragile Site

question 6

Multiple Choice

What is a fragile site?

• A)a site in a chromosome prone to duplication,such as the bar gene
• B)a structural component of a chromosome due to proteins bound to it that leads to a high percentage of chromosomal breakage
• C)the telomere of a chromosome can fall off due to spindle malfunctions during meiosis
• D)a structural component of a chromosome due to the nucleotide sequence to it that leads to a high percentage of chromosomal breakage
• E)an area around the centromere prone to inversion due to gene duplications

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Definitions:

Mean

The average of a set of numbers, calculated by dividing the sum of all values by the total number of values.

Standard Normal Curve

A type of normal distribution that has a mean of 0 and a standard deviation of 1, represented graphically as a bell-shaped curve.

Area

A measure of the extent of a surface or shape, expressed in square units.

Z-score

An indicator that shows the number of standard deviations a particular value is away from the average.