Children born into same-sex families frequently are biologically related to only one parent, and the law recognizes only that one parent. The legal status of the child's relationship with her nonbiological parent varies from state to state.
It's a brave new world when it comes to conceiving and raising children. And in many cases, the potential parents and providers of genetic material haven't thought all the details through before deciding to proceed.
There is one presumption that seems to be missing from the body of legal presumptions in family law: the presumption that equal custody timesharing is appropriate for children involved in divorce and paternity custody disputes.