With reference to de-extinction, which of the following is/are correct?
- Colossal Biosciences used dire wolf DNA from a 72,000-year-old skull’s petrous bone.
- The process involved modifying 14 genes in grey wolves to resemble dire wolves.
- De-extinction aims to revive species solely for ecological restoration.
- The last dire wolves went extinct due to competition with modern wolves.
Select the correct answer: