Incomplete dominance 2. Polygenic inheritance 5. Linked genes 6. Migration causes gene flow between populations 3. Mutations are the ultimate source of genetic variability 4.
Disruptive selection favors extreme phenotypes and selects against the average.
Mutualisms g . Gametic isolation 2. Allopatric speciation 2. Allopolyploidy D. Patterns of speciation 1. Divergent vs. phyletic evolution 2.