Gardner, Eldon John Michael  J. Simmons D. Peter Snustad <br/><br/>
Principles of Genetics / 
by Eldon John Gardner, Michael J. Simmons, D. Peter Snustad 
 - 8th Ed. 
 - New York:  John Wiley an dSons,  1991 
 - p.119 
<br/><br/><label>ISBN: </label>9971513463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology <br/>Specific parts of and physiological systems in plants <br/>Heredity
<br/><br/><label>Dewey Class. No.: </label>575.1  / GAR-P