Amelogenesis imperfecta is a group of rare genetic conditions in which the outer layer of the teeth or enamel fails to develop properly. Individuals with amelogenesis imperfecta typically have small, ...

If you have two copies of the same version of a gene, you are homozygous for that gene. If you have two different versions of a gene, you are heterozygous for that gene. In diseases caused by dominant ...

Genetic disorders are diseases caused by an abnormality in a gene, often described as a mutation. When such diseases are inherited (rather than resulting from a random mutation), they are passed along ...