Research carried out in the context of medically assisted procreation may be carried out on gametes intended to constitute an embryo or on an embryo conceived in vitro before or after its transfer for the purpose of gestation, if each member of the couple or the unmarried woman consents. Within this framework, no intervention designed to modify the genome of the gametes or the embryo may be undertaken. Such research shall be conducted under the conditions laid down in Title II of Book I of Part One.