(A)Mongoloid idiocy
(B)Simian palmer crease
(C)Partially open mouth
(D)Psychomotor development is retarded
Above informations are related with :-

Options

A. Patau syndrome
B. Turner syndrome
C. Down syndrome
D. Edward syndrome

Answer

To solve the question regarding the characteristics provided (Mongoloid idiocy, Simian palmer crease, Partially open mouth, Psychomotor development is retarded), we need to identify which syndrome these characteristics are associated with.

### Step-by-step Solution:

1. **Identify the Characteristics**:
- The characteristics listed are:
- Mongoloid idiocy
- Simian palmer crease
- Partially open mouth
- Psychomotor development is retarded

2. **Understanding Each Characteristic**:
- **Mongoloid idiocy**: This term is historically associated with Down syndrome due to the physical features often seen in individuals with this condition.
- **Simian palmer crease**: This is a single transverse palmar crease that is commonly found in individuals with Down syndrome.
- **Partially open mouth**: Individuals with Down syndrome often have a characteristic facial appearance, which includes a partially open mouth.
- **Psychomotor development is retarded**: Children with Down syndrome typically experience delays in psychomotor development.

3. **Comparing with Known Syndromes**:
- **Down Syndrome**: Known for the presence of an extra chromosome (Trisomy 21) and the characteristics mentioned above.
- **Patow Syndrome, Turner Syndrome, Edwards Syndrome**: These syndromes have different characteristics and do not typically include the signs mentioned.

4. **Conclusion**:
- Based on the characteristics provided, they are all associated with **Down syndrome**.

### Final Answer:
The information provided is related to **Down syndrome**.