Explanation:

- Statement 1: Primogeniture refers to inheritance by the firstborn child. This is correct. It is a common practice historically in monarchies and noble families.

- Statement 2: Ultimogeniture refers to inheritance by the last born child. This is also correct, though less common than primogeniture.

- Statement 3: Primogeniture does not refer to inheritance by the most favorite child. This statement is incorrect.

- Option 1: 1 and 2 only - This option is correct.

- Option 2: 2 and 3 only - This misses the correct pairing.

- Option 3: 1 and 3 only - Includes an incorrect statement.

- Option 4: 1, 2, and 3 - Includes the incorrect statement 3.