Abreeder wanted to create a new variety of potatoes that produces more of the vitamins found in the roots of carrots than in typical patatoes . what method of selective breeding would the breeder most likely use

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?