Question

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?

Answer 1

Heterozygosity is higher among bombina bombina and bombina variegata hybrids compared than parental species.

Step-by-step explanation:

The hybrid zones are characterized for the presence of natural hybrids in which the heterozygosity levels are higher compared to parental species