000 00279 a2200121 4500
080 _a575.1
_bJ 52 G
245 1 _aGenetics
_cby J.B. Jenkins
260 _aBoston
_bHoughton Mifflin Co.
_c1975
650 _aGenetics
100 1 _aJenkins, J.B.
300 _a545 p.
901 _a143069
999 _c69275
_d69275