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Attached earlobes are considered to be recessive. Free earlobes are a dominant trait. This means that far more people have earlobes that are unattached. More »

www.reference.com Science Human Anatomy

The earlobe, also called the lobule, is the fleshy lower part of the outer ear that hangs down and is designed to collect sound waves from the air and guide them to the tympanic membrane, more commonly called the eardrum... More »

www.reference.com Science Human Anatomy

Examples of human traits that exhibit complete dominance in their genetic inheritance are free versus attached earlobes, straight versus curved thumbs and second toe length, explains University of Northern Iowa. Free ear... More »

www.reference.com Science Biology
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In human genetics, hazel eyes are a recessive characteristic. Lighter eye colors are recessive to darker eye colors; this means that brown eyes are dominant over every other eye color. More »

www.reference.com Science Biology Molecular Biology & DNA

Huntington's disease is an autosomal dominant disorder, meaning that only one copy of the defective gene that causes the disease is needed to develop the disorder, as noted by the National Institute of Neurological Disor... More »

www.reference.com Family Genealogy

Marfan syndrome is inherited in an autosomal dominant pattern. It involves the mutation of the FBN1 or fibrillin-1 gene, a so-called dominant gene, and so only one copy of the mutated gene will produce the syndrome in of... More »

www.reference.com Health Conditions & Diseases

Albinism is a recessive trait. In order to have a child with albinism, both parents must possess the defective OCA gene. More »

www.reference.com Science Biology