Identify and write the correct statement:
(a) In Grasshopper males two sex chromosomes are X and Y types
(b) In Grasshopper males there exist XO type of sex-determinants.

Explanation

To solve the question, we need to analyze the two statements provided regarding the sex chromosomes in grasshoppers.

### Step-by-Step Solution:

1. **Understanding Grasshopper Chromosomes**:
- Grasshoppers have a unique system of sex determination. In grasshoppers, the male has one X chromosome and no second sex chromosome, which is designated as "XO". The female has two X chromosomes (XX).

2. **Evaluating Statement (a)**:
...