Do killer whales have any unusual chromosomes?

Killer whales, or orcas, have a distinctive karyotype with 2n = 38 chromosomes, which is relatively low compared to some other cetaceans. Their chromosomes exhibit unique structural features and variations that contribute to their adaptability and social behaviors. Studies of their genetics have revealed that they possess a high degree of genetic diversity within populations, which may aid in their survival in various environments. Overall, while their chromosomes are not "unusual" in a broad sense, they do have specific characteristics that reflect their evolutionary adaptations.