000 00241 a2200109 4500
080 _a575
_bM 849 P
245 1 _aPhysical basis of heredity
_cby T.H. Morgan
260 _c1919
650 _aHeredity
100 1 _aMorgan, T.H.
_d
901 _a3398
999 _c30732
_d30732