With reference to the Unified Genomic Chip, consider the following statements:

1. It is a Single Nucleotide Polymorphism (SNP) chip designed for genomic profiling of Indian cattle breeds.

2. It helps in genetic improvement of dairy animals using DNA technologies.

3. It has two variants: Gau chip for cattle and Mahish chip for buffaloes.

4. It was developed by a private biotech company under the Ministry of Science and Technology.

Which of the statements given above are correct?