Question

The tumor -inducing ( Ti ) plasmid has now been modified into a cloning vector which is no more pathogenic to the plants but is still able to use the mechanisms to deliver genes of our interest into a variety of plants because Ti plasmid has been modified by

Answer 1

Answer:

phylum-Hemichordata ... they are Worm-like animals with proboscis,collar and trunk Respiration by many paired gills.Excretion is through proboscis gland.E.g. Balanoglossus,saccoglossus