Because certain blood types are prone to certain diseases so its easier to test what works with what cell type.
Not 100% positive but 87.45679% positive
If X is the set of all blood groups of human beings and Y is the set of all human beings then the association that associates a blood group to a person having that blood group is not a function from X to Y .
human make a skin,blood and bones, Real ans by having sex
codominance and multiple alleles
No danger to a human doing the same job.
Blood type. (O, A, and B- O is recessive and A & B are dominant)
Human blood types
The main advantage of having robots in space is that it does not put human life at risk. Another advantage is the fact that robots can be designed to for work in harsh environments.
Death. While science has found synthetic blood substitutes, they cannot replace all of the blood in a human. No blood, no life. The blood is the life.
If you are a warlord, rebel or criminal, you may have an advantage in possessing valuable, portable 'currency' for the price of human lives.
A typical adult has about 4.7- 5 Liters of blood with females having a lesser volume when compared to males.
The only known cause for a human being to have no blood is drainage, which either causes death or can be performed post mortem.
An allele is a type of gene that is hereditory. In fertilisation, an allele from both the father and mother are fused, this is multiple allele hereditory. Alleles influence many things, from hair colour to blood type. human blood typeshuman blood types