Explain codominance taking an example of human blood groups in the population.

Explanation

### Step-by-Step Solution:

1. **Definition of Codominance**:
- Codominance is a genetic phenomenon where neither allele masks the other, allowing both alleles to be expressed equally in the phenotype of the organism.

**Hint**: Remember that in codominance, both traits are visible and neither is dominant over the other.

2. **Human Blood Groups**:
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