Unequal Crossing Over During Prophase I Can Result in One

question 7

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,called hemoglobin Lepore,exists in the human population.Hemoglobin Lepore has a deleted series of amino acids.If this mutated form was caused by unequal crossing over,what would be an expected consequence?

• A)There should also be persons whose hemoglobin contains two copies of the series of amino acids that is deleted in hemoglobin Lepore.
• B)Each of the genes in the hemoglobin gene family must show the same deletion.
• C)The deleted gene must have undergone exon shuffling.
• D)The deleted region must be located in a different area of the individual's genome.

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