Unequal Crossing Over During Prophase I Can Result in One

question 34

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.

---

Definitions:

Congress

The United States' national law-making institution is made up of two parts: the Senate and the House of Representatives.

Marriage Protection Act

Legislation aimed at defining marriage and protecting the institution of marriage, often from a conservative viewpoint.

Twenty-Sixth Amendment

An amendment to the U.S. Constitution that lowered the voting age from 21 to 18.

Voting Age

The legal age at which a person is granted the right to vote in public elections, typically set at 18 years in many countries.