Across
- 4. selection both ends of curve have higher fitness than the middle
- 5. anybody of the same species that can interbreed
- 7. selection one end of the bell curve has higher fitness
- 8. shuffling one source of genetic variation
Down
- 1. any change in a sequence of DNA
- 2. selection middle of curve has higher fitness
- 3. any change in the relative frequency of alleles in a population
- 6. frequency the number of times that the allele occurs in a gene pool compared with the number of times other allels for the same gene occur