Actually that's a reference to massive gangs of vampires that orginated in Atlantis.
No. Blood groups are inherited from your parents.
yes they do. they have at least 2 different blood groups.
There are 20 R Groups, just like there is 20 Amino acids.
In case any of you need an emergency blood transfer.
There are over 30 blood groups for horses, 8 of these are major groups and 7 are recognized internationally.
Blood groups are dertermined on the surface of the red blood cells and they have nothing to do with our immune system.
they are called that cuz when it comes night they fly out in groups 2 look 4 animals that r asleep so they can drink the blood.
A and AB
chicken's have blood group
Ab
Blood groups are affected by genetic drift randomly, making it special.
Blood groups are a classic example of multiple allelic inheritance