Mendelian Genetics Question

Michael Kolotila x3887 mkolotila at
Tue Jan 9 10:18:23 EST 1996

Hi Tom:
Roan is an example of codominance.  If you examine the hairs of the roan 
animal, you will find both red and white hairs as compared with 4 
o'clocks which have pink flowers and the cells are pink and dots of red 
and white.   
Hope this answers your question.

 Michael P. Kolotila, Ph.D.        * e-mail: mkolotila at   
 Biotechnology Program Coordinator *          
 Department of Natural Science     * voice :  508-374-3887
 Northern Essex Community College  *
 100 Elliott Way                   * fax   :  508-374-3723
 Haverhill, MA  01830-2399         *        

On 6 Jan 1996, Tom Worcester wrote:

> Does anyone know if roan cattle are "roan" because of incomplete 
> dominance or codominance?? Thanks.

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