Dobzhansky, Theodosius <br/><br/>
Genetics and the origin of species 

 - 2ed 
 -  Columbia University Press  1941 
 - 446 p.  tabls., grafs., maps., ilus. 
<br/><br/>Organic diversity. Gene mutation. Mutation as a basis for racial and specific differences. Chromosomal changes. Variation in natural populations. Selection. Polyploidy. Isolating mechanisms. Hybrid sterility. Patterns of evolution. Species as natural units. 
<br/><br/><br/>Inglés 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONJUGACIÓN GENÉTICA, MUTACIONES DE LOS GENES