TY - GEN AU - Dobzhansky, theodosius AU - Dunn, L C AU - Sinnott, Edmund W TI - Principles of Genetics T2 - 18 U1 - 575.1 SIN CY - New York, Mc Graw Hill Book Company KW - Genetics/ Heredity/ Mendelism/ Alleesism/ Chromosome/ Mutation/ Heterosis ER -