different MHC proteins flag so it's our best defense against contagious cancer
than those that are less diverse than us have it pretty rough for those beezies
there is such a thing as contagious cancer consider the dog you know man's
best friend four legs catches tumors from other dogs dogs can get cancer from
sexual contact with other dogs or by sniffing each other's genitals which as
you may have noticed is not particularly uncommon it's got canine transmissible
venereal tumor and it's the exact same tumor that's been passed among dogs and
wolves for as long as 2,500 years ago some wolf developed a tumor whose cells
had the ability to latch onto other