Jenni Murray, from Woman’s Hour on BBC Radio 4, hosts a discussion between Olivia Montuschi, from the Donor Conception Network, and Professor Marcus Pembrey, Founding Chair of Trustees at the Progress Educational Trust (PET). They discuss choosing egg and sperm donors on the basis of selected characteristics. They outline the complexities of genetic inheritance and the likely underlying motives of those requiring donor gametes in order to create a family.