The Pedigree Shown Here Pertains to a Trait Due to a Rare

question 192

Multiple Choice

The pedigree shown here pertains to a trait due to a rare, X-linked recessive mutation. Individual 1 has no family history of the trait and individual 2 is affected, but the genotypes and phenotypes of individuals 1, 3, and 4 are unknown. What is the (approximate) probability that individual 1 is heterozygous? What is the probability that individual 3 is affected? What is the (approximate) probability that individual 4 is affected?

• A)1; 1; 1
• B)1; 0; 0
• C)0; 0; 1
• D)0; 1; 0
• E)0; 0; 0

---

Definitions:

Business Enterprise

An organizational entity involved in commercial, industrial, or professional activities with the goal of generating economic returns.

Information Management

The process of collecting, storing, managing, and distributing information in an efficient and effective manner to support business processes.

Legal Entity

An organization that has legal rights and obligations, such as a corporation, partnership, or sole proprietorship.

Partnership Affairs

Partnership Affairs refers to the various business activities, decisions, and responsibilities managed between partners in a business partnership, including profit distribution, losses, and decision-making processes.