Is cytokinesis the process of recombining the daughter cells ?

Across of blue x blue (both heterozygous) would result in

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?

Which individual below would be considered heterozygous? a.dd b.dd c.dd