A dominant gene is a type of gene that is more powerful than other genes. It usually takes control over other genes and determines a specific trait or characteristic in an organism. Full definition
Parents and grandparents usually represent the most dominant genes in the pedigree but not necessarily. (thedogplace.org)
Some colors can be hidden in a dog's genetics for years, and only be expressed when their isn't a more dominant gene passed on too. (thehappypuppysite.com)
Where the F1 seeds all contain the same dominant genes, allowing identical pods, when you grow the next generation it can get messy. (thechileman.org)