Being born with extra fingers on a hand is called polydactyly.This is more common in some populations in North America than others due to ________.
A)a founder effect because their ancestors from Europe carried the alleles
B)an increase in mutation rate in these populations
C)random mating with other populations in North America
D)natural selection in favor of extra fingers in these populations
E)migration of people with multiple fingers out of the population

Question

Quizplus · Accepted Answer

The prevalence of polydactyly in certain populations in North America is likely due to a founder effect, where a small group of individuals carrying the allele for extra fingers migrated to and founded these populations. This resulted in a higher frequency of the allele in those populations.

Being Born with Extra Fingers on a Hand Is Called