It is the deliberate manipulation of DNA, the substance that carries genetic instructions, to attain a desirable purpose, such as higher crop yields or better treatments for disease.
(It; is; the deliberate manipulation of DNA) (the substance; carries; genetic instructions, to attain a desirable purpose, such as higher crop yields or better treatments for disease)
It the substance
is carries
the deliberate manipulation of DNA
genetic instructions, to attain a desirable purpose, such as higher crop yields or better treatments for disease