Which of the following symbol is used for mating between relatives (Consangeneous mating)

Options

A.
B.
C.
D.

Answer

To determine the symbol used for mating between relatives (consanguineous mating), we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for the symbol that represents consanguineous mating, which refers to mating between relatives.

2. **Analyze the Options**: We need to evaluate each option provided to see which one correctly represents consanguineous mating.

3. **Option 1**: The first option shows a diamond-shaped box with the number five. This symbol indicates the sex of a child is unspecified and does not represent mating between relatives.
- **Conclusion**: This option is incorrect.

4. **Option 2**: The second option displays a square (representing male) and a circle (representing female) connected by a single line. This indicates mating between a male and a female but does not specify that they are relatives.
- **Conclusion**: This option is also incorrect.

5. **Option 3**: The third option presents a square and a circle connected by two lines. The double line signifies mating between relatives, which is the definition of consanguineous mating.
- **Conclusion**: This option is correct.

6. **Option 4**: The last option shows a square and a circle with a shaded box representing a male offspring with a specific genetic trait. This does not pertain to consanguineous mating.
- **Conclusion**: This option is incorrect.

7. **Final Answer**: Based on the analysis, the symbol used for consanguineous mating is represented by **Option 3**, which consists of a square and a circle connected by two lines.