Transgenic fish

Transgenic animal is defined as an animal that has been become transformed following the introduction of a novel gene in to its DNA. Gordon et al (1980) were the first to produce transgenic animals leased on the microinjection of cloned DNA into pronucleus of the fertilized eggs at the arc cell stage. Palmitev et al (1982) INTRODUCED GH gene into mice and achieve dramatic increase in growth of the animals and the successful transgenic animal has been produced