In this type of inheritance pattern, a disorder typically appears in each generation, passed on by one parent of either sex who also has the disorder. Each child born to an affected parent has a 50% chance of inheriting the disorder and a 50% chance of being unaffected. There is no carrier status.
(also called Dominant Inheritance) A pattern of inheritance, in which a gene change has an effect even if only a copy is inherited from only one parent, e.g. the mutated gene that causes Huntington disease.
A gene that almost always results in a specific physical characteristic, for example, a disease, even though the patient's genome possesses only one copy. With a dominant gene, the chance of passing on the gene (and therefore the disease) to children is 50-50 in each pregnancy.
Only one mutant or abnormal gene of a pair is necessary for expression of the train or disorder. Such a gene is passed on to 50 percent of the sons or daughters by an affected parent.
a gene on one of the first 22 pairs of chromosomes, which, when present in one copy, causes a trait or disease to be expressed.
The process by which one gene of a pair causes the expression of a trait or disorder. Such a gene has a 50% chance to be passed on to each child of an affected parent
Inheritance of a gene, which is located on a chromosome other than the sex (X or Y) chromosome, and which in single state, may give rise to a phenotype that may be expressed through two or more generations.
A gene on one of the autosomes (non-sex chromosomes) that, if present, will almost always produce a specific trait or disease.