Why is the trait for polydactyly dominant??

Subject: Why is the trait for polydactyly dominant??

Date: Wed Dec 5 13:26:56 2001
Posted by Amber
Grade level: 10-12 School: Normal Community High School
City: Normal State/Province: IL Country: USA
Area of science: Genetics
ID: 1007576816.Ge

Message:


Polydactyly is a human trait in which a person has extra digits on his or her 
hands or feet.  The trait for polydactyly is domninant over the trait for five 
digits on the hangs and/or feet.  How could that be possible if five digits are 
more common than extra digits? This is for a Biology project, and I would like 
this to be answered asap. Thanks.

Re: Why is the trait for polydactyly dominant??

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