(a) Write the scientific name of the organism Thomas hunt morgan and his colleagues worked with for their experiments .Explain the correction between linkage and recombination with respect to genes as studied by them
(b) How did sturtevant expain gene mapping while working wiht morgan?

Explanation

### Step-by-Step Solution

#### Part (a)

1. **Scientific Name of the Organism**:
- The organism that Thomas Hunt Morgan and his colleagues worked with for their experiments is *Drosophila melanogaster*. This organism is commonly known as the fruit fly.

2. **Linkage and Recombination**:
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