DNA Jumps Between Animal Species. No One Knows How Often. | Quanta Magazine
To survive in the frigid ocean waters around the Arctic and Antarctica, marine life evolved many defenses against the lethal cold. One common adaptation is the ability to make antifreezing proteins (AFPs) that prevent ice crystals from growing in blood, tissues and cells.
https://www.quantamagazine.org/dna-jumps-between-animal-species-no-one-knows-how-often-20210609
