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inheritance requires two copies of a mutated gene

Autosomal recessive refers to a pattern of inheritance where a person must inherit two copies of a mutated gene, one from each parent, to express a particular trait or disorder. If an individual has only one copy of the mutated gene, they are considered a carrier and typically do not show symptoms. This type of inheritance is common in many genetic disorders, such as cystic fibrosis and sickle cell anemia.

Related Terms

• Autosomal Recessive Disorder
• Autosomal Dominant Inheritance
• Autosomal Dominant Disorder
• Localized Autosomal Recessive Hypotrichosis
• Autosomal Recessive Woolly Hair
• Recessive Dystrophic Epidermolysis Bullosa
• Hereditary Vitamin D Resistant Rickets
• Phenotype B