Explain the work carried out by Cohen and Boyer that contributed immensely in biotechnology.

Explanation

**Step-by-Step Solution:**

1. **Introduction to Cohen and Boyer:**
- Cohen and Boyer are renowned scientists known for their groundbreaking work in genetic engineering, which laid the foundation for modern biotechnology.

2. **Year of Contribution:**
- Their significant experiment took place in 1972, marking a pivotal moment in the field of genetics.

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