If a dominant allele pairs up with a recessive allele, the dominant allele is what is physically shown, it over powers the recessive allele.
C :D :D :D :D :D :D :D :D :D :D :D :D :D :D :D D:D
There are so many examples for that in different areas, like biology experiment carried out in our lab recently.
Here's one link:https://www.creative-biogene.com/support/Knockout-Cell-Lines-in-Antibody-Screening-and-Validation.html
You could argue that in early succession areas species may have not been adapted or evolved. In Darwin's theory, life began in a shallow, warm pond. If that is the case, species would then venture deeper when their area they are in is suitable and having success