The answer would be the one with the least dominant trait ( but not the one who have none)
for Example : Aa x aa
This pair of alleles will most likely to have diffrent effects on Organism ,
Aa : aa = 50 : 50
Unlike fishes with bony skeletons, a shark's skeleton is made out of cartilage. ... Sharks, rays, skates, and chimaeras (also know as rat fishes) all have cartilaginous skeletons.
A. alleles are variations of a gene trait
Plants because it can turn it in to something