Answer:
mutation.
random mating between organisms.
random fertilization.
crossing over (or recombination) between chromatids of homologous chromosomes during meiosis.
Explanation:
there are usually four diffrent kinds of evolution and they are
1. mutation
2. gene flow
3. genetic drift
4. and natural selection.
Mutation creates new genetic variation in a gene pool.
Answer:
Explanation:
Hope this will help
