Answer:
b i think not completely sure.
X y chromosome I think but I might be wrong
Answer:
Yes, the protein is found on the surface of the red blood cell which is represented by a positive or negative sign.
It is termed as Rh factor.
Rh factor refers to the class of antigen or protein found on the red blood cell.
If the protein is present, then the person is said to be Rh positive and when the protein is absent the person is said to be Rh negative.
There is never any shortage of drinking water because we have ton of filtration companies that turn river water to clean fresh drinking water.And again you can always drink tap water.Hope this helps!
