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Unformatted text preview: Stella Park Genetics 382 Extra Credit Assignment Kerri-Ann Norton (5 points) Examine the trait: yellow coat color in deer/house mice (A y ). Answer the following questions and include any additional information that you find interesting or relevant. Please include citations throughout and references at the end of the report. (1/2 point for including citations and refs) (1/2 point each) 1) How is this trait or disorder expressed in terms of phenotype? The trait is expressed by the pleiotropic effects of ectopic expression of the Agouti protein. The organism expresses a yellow color. (ref. 1) 2) What other organism(s) have this trait? Cats, squirrels, dogs, horses, and rabbits also have the trait. (ref. 2) 3) What is the mode of inheritance of this trait? The trait is an autosomal dominant trait. Mice that are homozygous for the Agouti trait have the lethal gene. (ref. 3) 4) In mice, what type of selection might have been involved in this trait and what conditions might favor thus condition?...
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This note was uploaded on 03/07/2012 for the course 830 201 taught by Professor Leyton during the Fall '08 term at Rutgers.
- Fall '08