Robert was his son work on the son's car when he temporarily lost the ability to speak in a normal manner and had difficulty handing his son the requested tools. this episode lasted for several minutes and then he was himself again. robert's son insisted that his dad see his doctor after this episode. what might be the doctor's diagnosis of robert's episode and what could be the cause?

Transient ischemic attack (TIA) may be defined as a medical condition in which individual suffers from numbness, difficulty in speaking and dizziness. The body loss is completely lost for few minutes.

In the given question, Robert might suffers from TIA. In TIA the brain cells of the body feels the anoxia or the cells are completely deprived of the oxygen. This TIA remain last only for few seconds to minutes and might cause the other serious problem.

the last one: artificial selection/genetic engineering

plant breeding is modifying the genetic composition of the plant - but this isn't cloning (which is specifically introducing a gene into a genome). but you are artificially selecting for the phenotype that you want.

the second one is literally genetic engineering - the gene would have been cloned first and then inserted or genetically engineered into the new plant cell (the cotton).