Suppose a scientist develops a technique for genetically modifying a bacterium species. This scientist would not be able to use the exact same technique to genetically modify a plant species. Why is that the case?
Every species on Earth is somewhat genetically unique.
B.
All species on Earth have identical genomes.
C.
There are no genetic similarities between the species on Earth.
D.
Genetic engineering can be done only on unicellular organisms.