In peas, tall (plant) is dominant to short, and round (seed) is dominant to wrinkled and the genes are unlinked. a plant that is heterozygous for both loci is crossed to an unknown plant. the progeny that result are: 598 tall round; 210 tall wrinkled; 602 short round; and 198 short wrinkled. what was the phenotype of the unknown plant?

the answer would be..

b. sucking

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).

segmented body, an exoskeleton made from chitin, and joint appendages.