Autosomal Dominant Traits and Disorders

Autosomal Dominant Traits and Disorders

Author: Aaron Mullally

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

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Autosomal Dominant Traits

Source: Marfan Syndrom; Public Domain: http://bit.ly/SIdzy5 Huntington's Disease; Creative Commons: http://bit.ly/L1tKlI Huntington's Pedigree; Creative Commons: http://bit.ly/ernmwh Xanthelasma; Creative Commons: http://bit.ly/RTIatS

  • Autosomal Dominant

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

  • Achondroplasia

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

  • 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.

  • 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.

  • Familial Hypercholesterolemia

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