13. Which of the following is the most challenging issue facing genome
sequencing or organism modification?
a. availability and stability of DNA
b. ethics of using information from genomes at the individual level
c. inability to develop fast and accurate sequencing or modifying
techniques.
d. all of the above
_______14. What carries a gene from one organism into a bacterial cell?
a. a plasmid c. electrophoresis gel
b. a restriction enzyme d. polymerase chain reaction
_______15. When was the Polymerase Chain Reaction discovered?
a. 1963 c. 1983
b. 1973 d. 1993