What is self-sterility?

Explanation

### Step-by-Step Solution:

1. **Definition of Self-Sterility**: Self-sterility is a condition observed in certain hermaphroditic organisms where they possess both male and female reproductive systems within the same individual.

2. **Hermaphroditic Organisms**: These organisms have both male and female reproductive cells. Examples include many plants and some animals.

3. **Formation of Reproductive Cells**: In hermaphroditic organisms, both male (sperm) and female (egg) reproductive cells are produced in the same body.

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