000 00266nam a22001097a 4500
082 _a575.1
_bSIN/ELE
100 _aSINGLETON RALPH W.
245 _aELEMENTARY GENETICS
250 _aAN EAST WEST EDITION
260 _bD. VAN NOSTRAND COMPANY.INC
_c1962
942 _2ddc
_cBK
999 _c4088
_d4088