000 00214nam a22000977a 4500
082 _a575.1
_bHEX/YOS
100 _aHEXTER,W & YOST HT
245 _aTHE SCIENCE OF GENETICS
260 _bPRENTICE- HALL
942 _2ddc
_cBK
999 _c4087
_d4087