Which one of the following circumstances would most likely result in evolution?
a. a single individual dies in a large population
b. a free parrot has an allele for green feathers and an allele for blue feathers
c. a butterfly predators is yellow more easily than it does green in a population of butterflies includes both phenotypes
d. a large population continues to grow larger
The parrot has an Allele for Green feathers and an Allele for Blue feathers Therefor can have off spring with green or blue feathers. Resulting in evolution.
