biological parent

noun

1. a parent who has conceived biological mother or sired biological father rather than adopted a child and whose genes are therefore transmitted to the child.

Example Sentences

But despite his current pessimism about the viability of becoming a biological parent, Kari says he "wouldn't write it off".

From BBC

In other circumstances, the stepparent becomes the child’s parent in the absence of a biological parent.

From Slate

In addition to recognizing same-sex marriages, the legislation clears the way for adoption and gives the same rights to both same-sex parents as a child’s legal guardian, whereas to date such rights have applied only to the biological parent.

From New York Times

Building on Meloni’s campaign pledge to defend what she called traditional families, the premier’s administration moved to limit recognition of parental rights to only the biological parent in families with same-sex parents.

From Seattle Times

His fourth amendment would limit so-called birthright citizenship for those who have at least one biological parent who is a U.S. citizen.

From Washington Times