Ethics of Gamete Donation and the Value of Genetic Knowledge

If you conceive a child with a donated egg or sperm (gamete), are you morally required to tell the child how they were conceived?  Do children need knowledge of their genetic parents to develop a healthy self-understanding or identity?  Or is the desire for such genetic knowledge a reflection of morally suspect cultural norms? Interview with Daniel Groll about his new book Conceiving People (OUP, 2021).