Walker Mark <br/><br/>
Unravelling genes :  a layperson's guide to genetic engineering / 
Mark Walker, David McKay. 
 - St. Leonards, N.S.W. :  Allen & Unwin,  2000. 
 - 132 p. :  ill. ;  20 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1865080861 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Genetic engineering--Popular works
<br/><br/><label>LC Class. No.: </label>QH442