It uses its tail, which is slightly longer than its ... He gnawed it loose from the hook, it tumbled to the floor, and the two hundred rats went to work on it.” After telling about this, Mr ...

clipped off a bit of the newborn rats' tails and analyzed the DNA. The two nonglowing rats still carried the GFP gene, but the sequence had been cut up and put back together again in such a way ...

The following discussion focuses on two methods of blood collection — ventral tail artery puncture and dorsal or lateral tail vein puncture. The rat tail contains a dorsal vein, two lateral ...