Biology, asked by justinurworld, 1 year ago

Why do we have positive and negative blood group???

Answers

Answered by niahood03

we have diffrent blood streams and there are 4 diffrent blood types and our parents have somthing to do with it

Answered by Divyankasc

The Rh factor is a type of protein on the surface of red blood cells. Most people who have the Rh factor are Rh-positive. Those who do not have the Rh factor are Rh-negative.That only means positive and negative blood groups.

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