The first letter of every genus name will be in _______ letter.

Explanation

**Step-by-Step Solution:**

1. **Understanding Genus Names**: In biological classification, the genus is a rank in the hierarchy of taxonomy. Each genus name is used to group species that are closely related.

2. **Nomenclature Rules**: According to the rules of nomenclature (the system of naming organisms), there are specific guidelines that dictate how names should be formatted.

3. **Capitalization of Genus Names**: One of the key rules is that the first letter of every genus name must be written in a capital letter. This is a standard practice in scientific naming to distinguish the genus from other parts of the name.

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