Unequal Crossing Over During Prophase I Can Result in One

question 9

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 was 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:

Intact Newspapers

Newspapers that have been preserved without any physical alterations, tears, or significant damage.

Serious Pollutant

Substances that cause pollution and can have significant harmful effects on the environment, human health, or both.

Accumulates

The process of gathering or increasing in quantity over time, often used in the context of data, wealth, or substances.

Excreted

The process of eliminating waste materials from the body or a biological system, crucial for maintaining homeostasis and health.