Wellnitz, William R., 1949-, Genetics problem solving guide / by William R. Wellnitz - 2nd ed. - xi, 176 páginas : ilustraciones ; Includes index. ISBN: 0697137392 Subjects--Topical Terms: Genética--Problemas, ejercicios, etc. LC Class. No.: QH440.3 / W45 1995 Dewey Class. No.: 575.1/076