Stuck on a problem? Get great tutoring at an affordable price with Chegg. Click here to join and get your 1st 30 minutes Free!

Complete penetrance

From Biology-Online Dictionary
Jump to: navigation, search



A form of penetrance where a deleterious or disease-causing gene is expressed in all individuals carrying the gene.


A disease-causing gene shows 100% or complete penetrance if all individuals who have this gene develop the associated trait or condition. Huntington's disease is a dementia that is genetically inherited as an autosomal-dominant trait with a complete lifetime penetrance.

Compare: incomplete penetrance