A narrow hybrid zone separates the toad species Bombina bombina and Bombina variegata. What is true of those alleles that are unique to the parental species?
A) Such alleles should be absent.
B) Their allele frequency should be nearly the same as the allele frequencies in toad populations distant from the hybrid zone.
C) The alleles' heterozygosity should be higher among the hybrid toads there.
D) Their allele frequency on one edge of the hybrid zone should roughly equal their frequency on the opposite edge of the hybrid zone.
Boreal forests, such as this one in Siberian Russia, are dominated by a few species of conifer trees
Species currently endangered in Canada include (a) the Burrowing Owl, Athene cunicularia; (b) Taylor
The Blue-bearded Bee-eater Nyctyornis athertoni is a large species of bee-eater found in South Asia.
The Movius line separates regions of the world where Acheulean hand axes were made from regions wher
The shut-off switch on a GM parallel hybrid truck is green because this system uses 42 volts instead ...
Life cycle of a Plasmodium species that causes malaria