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Autosomal Dominant Traits and Disorders

Autosomal Dominant Traits and Disorders

Author: Nathan Lampson

_This lesson will identify how inherited dominant alleles on autosomes can cause various genetic disorders.

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Terms to Know

An autosomal dominant disorder in which the person is abnormally short in stature with short arms and legs.

Autosomal Dominant

A trait or disorder caused by the inheritance of at least one dominant allele on an autosome.

Familial Hypercholesterolemia

An autosomal dominant disorder in which a person has chronic high cholesterol.

Huntington's Disease

An autosomal dominant disorder which does not show up until later in life often after the gene has been passed onto offspring. It is a neurodegenerative disorder that causes motor and cognitive impairment and eventually becomes fatal.

Marfan Syndrome

A genetic disorder of connective tissue that causes people to have a certain appearance: being abnormally tall with long limbs and digits. It can also affect other connective tissues such as heart valves and be fatal.