Which best illustrates the importance of dna technology?

The importance of DNA technology lies in:

-the value for science: by being able to manipulate genes we can learn better about what their function is. This in turn is important for:

-medicine! By better understanding genes (of humans and livestock and crops) we can better prevent and treat diseases

That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem