They were classified by their use.
The answer is there (3). This is because a mitochondrion has it own DNA called mitochondrial DNA. Therefore the three genetic materials from different parents (mitochondria from donor mother, DNA from biological mother and DNA from biological father) would be present in the baby. Somatic nucleus transfer is the medical procedure used when the biological mother has mitochondria disorder which she would not wish to pass to her offsprings (which are inherited maternally).
Synthesis
Your body is in maintaining it's defense and it will do so for as long as you live.
I believe the answer is a and d and b not 100% sure
Explanation:
Infectious diseases can be caused by: Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis
Engineering sustainable food production.
Sea-water based bio-processes.
Non-resource draining zero waste bio-processing.
Using carbon dioxide as a raw material.