00298nam a2200109Ia 450000500170000000800410001708200140005810000220007224500410009426000450013530000080018020260225050903.0260224s9999||||xx |||||||||||||| ||und||  a575.1 GAR  aEldon J. Gardner  0aPrinciples of genetics  4th edition   aNew York: John Wiley & Sons, Inc. c1972  a527