There is a million-to-one chance that the clone was not of an adult ewe but of a fetus the ewe was carrying.
The research would be invalidated if the clone was actually of the ewe's fetus.
mnli hypothesis: The research would be invalidated if the clone was actually of the ewe's fetus. premise: There is a million-to-one chance that the clone was not of an adult ewe but of a fetus the ewe was carrying.