Thirumulu Ponnuraj Kannan,  <br/><br/>
Is it always a boy or a girl? :   or more than that in sex determination 

 - 20 pages :   colour illustrations ;   21 cm 
 - Genetics introduction series .
 - Genetics introduction series .
<br/><br/><label>ISBN: </label>9789670486642 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex - Cause and determination. ; Sex chromosomes.
<br/><br/><label>Dewey Class. No.: </label>613.94