A Wholphin Is a Rare Hybrid Animal Born from Mating

Multiple Choice

A wholphin is a rare hybrid animal born from mating a female bottlenose dolphin with a male false killer whale. Wholphins are diploid. Interestingly, wholphins are fertile. What can you conclude from the fact that wholphins are fertile?

A) Wholphins are allotetraploid.
B) Dolphins and false killer whales likely have the same number of chromosomes.
C) Dolphins and false killer whales are actually the same species.
D) One of the parents must have been aneuploid.