Answer - They both are leading worlds sugar production extract and important to the economic and uses.
But the difference is they both have different chemical make up and grown in different environment. Sugar Cane is grown in tropical zones like Florida, Hawaii etc.. They can also be cut off the middle and harvest the other half for extract. Whereas Sugar Beat is grown in temperate zones and are rooted in the ground which can be picked for extract. But has to be replanted which takes a while then sugar cane.
Genetics experiments on the breeding of plants or animals are based on the laws of probability. They are based on the laws of segregation. Probability will determine what you are likely to get though.