MadSci Network: Genetics

Re: What gene causes an earlobe to attach to someones neck?

Date: Sat Nov 4 14:56:16 2000
Posted By: Sanjida Rangwala, Graduate Student, Washington University
Area of science: Genetics
ID: 973211991.Ge

We don't know the eact name of the gene(s) that causes attached earlobes, or how this is accomplished on the molecular level, but we do know that it is hereditary, it can continue through generations. There also seems to be a consensus by some studies done 30+ years ago that earlobe attachment is determined by multiple genes, making it difficult to predict exactly the chance of someone inheriting attached earlobes. However, if you have attached earlobes in your family, chances are your children will have a greater chance of having them than in the general population. Online Mendelian Inheritance in Man (OMIM) maintains a database of information on these sorts of traits. More information about attached earlobes and journal article references can be found at EARLOBE ATTACHMENT: ATTACHED VS UNATTACHED. Sanjida

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