Consider the following statements regarding the Indian yak and recent developments in Yak genomics:

1. The first-ever chromosome-level genome assembly of the Indian yak (Bos grunniens) was completed by scientists from multiple ICAR institutes.

2. Yaks are primarily found in low-altitude regions of India such as Punjab and Haryana.

3. The Indian yak is known as the “ship of the Himalayas” due to its importance in high-altitude pastoral communities.

4. The National Research Centre on Yak (ICAR-NRCY) is located in Arunachal Pradesh and leads research on yak husbandry in India.

How many of the above statements are correct?