Ayala, Francisco J.  1934- <br/><br/>
Genetic variation and evolution / 
Francisco J. Ayala 
 - Burlington :  Carolina Biological Supply Co.,  1988 
 - 15 p. :  ill. ;  24 cm. 
 - Carolina biology readers ;  no.126 .
<br/><br/><label>ISBN: </label>0892783265 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Genetics<br/>Variation (Biology)<br/>Evolution (Biology)