Is Embryo is a Person from the Moment of Conception

The readings take contradictory positions on the question of whether there is a scientific or biological basis for determining whether an embryo is a person from the moment of conception. What biological reason does the ASRM give for thinking the very early stage embryos are not yet persons?For more information on Moment of Conception read this:https://en.wikipedia.org/wiki/Talk%3AHuman_life_begins_at_conception