Public perception is that diseases of the Amish are unique to them. Explain why this is not true. 2. If natural selection removes deleterious alleles from a population, how have certain single-gene...

Public perception is that diseases of the Amish are unique to them. Explain why this is not true. 2.

If natural selection removes deleterious alleles from a population, how have certain single-gene diseases become much more prevalent among the Plain People than in other groups?