There seems to be a slight difference between different ethnic groups, but generally less than 10% chance of having O negative blood type.
No, a person having o-negative blood cannot receive blood from a person having o-positive blood because it will cause coagulation of blood
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Yes
Having a specific blood type does not elevate the level of any risk.
yes
yes child can have blood group o+ o- b+ or b_
Obviously, the child's blood type would be an O negative as well.
No. Nothing whatsoever.
O negative blood type can take only from O negative. but in emergency cases if the O negative is not available, doctors give you O positive, and treat that with immune-suppressants.
yes it can be possible too as the parents is already with an o blood group..
only "o negative" blood group person can be given to 'o negative' person
yes