User: When plants are designed to contain more sets of chromosomes than normal, which of the following have humans taken advantage of?

a. Polyploid

b. inbreeding

c. Hybridization

d. Selective breeding

A. Polyploidy

Plants have the natural ability of having more than one copy of a chromosome or the entire set of chromosome and still function normally, an even number would result in a fertile plant while an odd number would be sterile.