How many codons code for amino acids ?
(a) 64 (b) 61 (c) 68 (d) 60

Explanation

To determine how many codons code for amino acids, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Codons**:
- Codons are sequences of three nucleotides in mRNA that correspond to specific amino acids or stop signals during protein synthesis.

2. **Total Number of Codons**:
...