Consider the following statements regarding scientific naming:\n1. Tautonyms are scientific names where the generic name and the specific epithet are identical.\n2. Tautonyms are valid and widely used in botanical nomenclature.\n3. Trinomial nomenclature is used to name subspecies or varieties, consisting of genus, species, and sub-specific epithet.\n\nWhich of the statements given above are correct?

Options:

• A: 1 and 3 only
• B: 2 and 3 only
• C: 1 and 2 only
• D: 1, 2 and 3

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