Please Use the Following Information to Answer the Question(s) Below

Please use the following information to answer the question(s) below.
You are studying three populations of birds. Population A has 10 birds, of which 1 is brown (a recessive trait) and 9 are red. Population B has 100 birds, of which 10 are brown. Population C has 30 birds, and 3 of them are brown.
-In which population would it be least likely that an accident would significantly alter the frequency of the brown allele?

A) population A
B) population B
C) population C
D) They are all the same.