Answer:
Genetic engineering has its grass roots from the recombinant technology.
Explanation:
Genetic engineering is seen to have started from a scientists activity which involved restriction enzymes and DNA ligases that were used by Paul Berg in 1972 to create the first recombinant DNA molecules. A monkey virus which is SV40 was combined with a lambda one. Following that, the results of the experiment and attempts were further investigated by other scientists and later, the first plant that underwent genetic engineering was the plant tobacco.
C the decrease in body temperature
Lactase an carbonic anhydride are examples of what type of substance is enzymes.
X and y chromosomes think of it like a phone charger you cant charge the phone unless the charger is plugged into the wall and the phone.