D because all the other ones are types of symbiotic relationships
Explanation:
DNA is divided into functional units called genes. A gene is a segment of DNA that codes for a functional product (mRNA, tRNA, or rRNA). Since the vast majority of genes are transcribed into mRNA and mRNA is subsequently translated into polypeptides or proteins, most genes code for protein synthesis.
<span>In the past, human populations were controlled by </span>Disease and Famine
The answer is a low-density particle
They can use those recently discovered genes and insert them in another species (fruits and vegetables) using genetic ingeniery technics so they can speed up the cell division on them, and accordingly increase the production.
