When multiple different alleles for a gene are present in a species's population it is called polymorphic. Most different alleles are functionally equivalent, however some alleles can give rise to different phenotypic traits. A gene's most common allele is called the wild type, and rare alleles are called mutants.
Combee will evolve into Vespiqueen at level 21, but only if it is female. Male Combee do not evolve. There is a 1/8 chance of a wild Combee being female. This is really rare iâ¦n HG and SS because Combee are a rare spawn period. 4 people found this useful.
, Been playing since Gen III and will keep playing until the end. In PokÃ©mon Emerald (and all of its sequels), Taillow evolves at level 22 into Swellow. Views Â· View Upvotes.