A supermale XYY is characterised by

Options

A. under production of sex hormonoes
B. overproduction of sex hormones
C. Reduced intelligence but aggressive nature
D. Both B and C

Answer

### Step-by-Step Solution:

1. **Understanding the Supermale XYY Condition**:
- The supermale XYY syndrome is a chromosomal disorder that occurs in males who have an extra Y chromosome. Normally, males have one X and one Y chromosome (XY), but in this case, they have two Y chromosomes (XYY).

2. **Characteristics of XYY Syndrome**:
- Individuals with XYY syndrome are often characterized by certain physical and behavioral traits. They tend to be taller than average and may experience severe acne during adolescence.

3. **Hormonal Production**:
- One of the key features of individuals with XYY syndrome is the overproduction of sex hormones, particularly testosterone. This can lead to various physical and behavioral characteristics.

4. **Cognitive and Behavioral Aspects**:
- While many individuals with XYY syndrome may have learning disabilities, it is also noted that they can exhibit aggressive behavior. This is often attributed to the hormonal influences associated with the extra Y chromosome.

5. **Conclusion**:
- The supermale XYY is characterized by:
- **Overproduction of sex hormones** (option B)
- **Aggressive nature** (option C)
- Therefore, the correct answer includes both B and C.

### Final Answer:
A supermale XYY is characterized by both **overproduction of sex hormones** and **aggressive nature**.

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