Unequal Crossing Over During Prophase I Can Result in One

question 13

Multiple Choice

Unequal crossing over during prophase I can result in one sister chromosome with a deletion and another with a duplication. A mutated form of hemoglobin, known as hemoglobin Lepore, is known in the human population. Hemoglobin Lepore has a deleted set of amino acids. If it were caused by unequal crossing over, what would be an expected consequence?

• A)If it is still maintained in the human population, hemoglobin Lepore must be selected for in evolution.
• B)There should also be persons born with, if not living long lives with, an anti-Lepore mutation or duplication.
• C)Each of the genes in the hemoglobin gene family must show the same deletion.
• D)The deleted gene must have undergone exon shuffling.
• E)The deleted region must be located in a different area of the individual's genome.

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Definitions:

Production Level

the quantity of goods and services produced by a business or economy within a certain period.

Perfectly Elastic

Describes a market condition where demand or supply responds instantaneously to changes in price with an infinite change in quantity demanded or supplied, depicted as a horizontal line in graphical analysis.

Elasticity of Demand

A measure of how much the quantity demanded of a good responds to a change in the price of that good, reflecting consumer sensitivity to price changes.

Horizontal Line

A straight line that has a constant y-value in the plane Cartesian coordinate system, indicating no change in the vertical direction.