[Steve Van Doorn]

said, "The “Rh” part was used to name it because of the fact that the rhesus monkey was used in lab work to identify this factor."
Yes they used it because of their similarities.
"The red cell surface substance of man which is similar to monkey’s is called the Rhesus factor (Rh-factor) or D-antigen"
https://www.notesonzoology.com/biochemistry/blood-group-systems-abo-and-rhesus-biochemistry/4959

[MomwithHope]

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