Which symbol used for unspecified sex :-

Options

A.
B.
C.
D.

Answer

To answer the question "Which symbol is used for unspecified sex?" we can follow these steps:

### Step 1: Understand the Context
The question relates to pedigree analysis, which is a method used to study genetic traits and diseases within families. In pedigree charts, specific symbols are used to represent individuals based on their sex and health status.

**Hint:** Familiarize yourself with the basic symbols used in pedigree analysis.

### Step 2: Identify the Symbols
In pedigree analysis:
- An **unfilled square** represents an **unaffected male**.
- An **unfilled circle** represents an **unaffected female**.
- A **filled square** represents an **affected male**.
- A **filled circle** represents an **affected female**.

**Hint:** Review the meanings of filled and unfilled symbols for males and females.

### Step 3: Recognize the Symbol for Unspecified Sex
The symbol that represents an **unspecified sex** is a **diamond shape**. This indicates that the individual could be either male or female, but the specific sex is not known.

**Hint:** Look for a shape that does not indicate gender, such as a diamond.

### Step 4: Analyze the Options
Based on the question and the symbols described:
- The first option (unaffected male) is represented by an unfilled square.
- The second option (unaffected female) is represented by an unfilled circle.
- The third option (unspecified sex) is represented by a diamond shape.
- The fourth option (affected male) is represented by a filled square.

**Hint:** Compare the options with the symbols you have learned.

### Step 5: Conclusion
The correct answer to the question "Which symbol is used for unspecified sex?" is the **diamond shape**, which indicates that the sex of the individual is not specified.

**Final Answer:** The symbol used for unspecified sex is a **diamond shape**.

---