6.10 Dominant alleles can mask recessive alleles
In contrast to recessively inherited traits, some alleles are dominant. With a dominant trait, an individual will express the associated phenotype even with just one copy of the allele for the trait.
Check Yourself
Content on this page was originally published in The Evolution and Biology of Sex by Sehoya Cotner & Deena Wassenberg and is reproduced here in compliance with the original CC-BY-NC 4.0 license.