000 00277nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aSingleton, Ralph .W
245 0 _aElementary Genetics
260 _bD. Van Nostrand Company
_aNew Jersy
_c1963
650 _aGenetics
942 _cBK
999 _c553
_d553