Trivia.com
A certain type of fern has by far the most chromosomes of any living thing on Earth (1260 compared to 46 for a human).
Trivia.com
No Y chromosome genes from neanderthals exist, suggesting that all human-neanderthal hybrids were female. The leading theory is that the Y Neanderthal chromosome triggered immune responses, causing miscarriages.
Trivia.com
Potatoes have more chromosomes than humans.
See also
.com