Experiments Have Been Done to Determine the Infective Dose of a Specific

Multiple Choice

Experiments have been done to determine the infective dose of a specific pathogen in animals with normal microbiota and gnotobiotic animals. Predict how the infective dose for gnotobiotic animals is expected to compare to the infective dose of animals with normal microbiota.

A) The infective dose would be the same for both groups of animals.
B) The infective dose would be lower for the gnotobiotic animals.
C) The infective does would be higher for the gnotobiotic animals.