Yes, the biological mother of a child is the woman whom he inherits half of his DNA. As DNA is inherited from the gametes from which a person is conceived, the donor would be the biological mother of the child, and the recipient the birth mother.
Read the full article on: Egg donation: requirements, procedure and compensation ( 68).
Rebeca Reus
BSc, MSc
Degree in Human Biology (Biochemistry) from the Pompeu Fabra University (UPF). Official Master's Degree in Clinical Analysis Laboratory from the UPF and Master’s Degree about the Theoretical Basis and Laboratory Procedures in Assisted Reproduction from the University of Valencia (UV).