Question

Explain how transgenic fish is commercially beneficial.

Answer 1

Transgenic fish:

1. The commercially important fish like Atlantic salmon, catfish, goldfish, Tilapia, zebra-fish, common carp, rainbow trout, etc. are transfected with growth hormone, chicken crystalline protein and E. coli hygromycin resistance gene. 
2. Transgenic fish showed increased cold tolerance and improved growth and it is the quantity and quality of fish proteins as well as its preservation, are the factors affecting the economic value of fish.