Burns, George W. The science of genetics : an introduction to heredity / George W. Burns. - 2nd ed. : - London : Collier-Macmillan, © 1969. - x, 399 p. : ill. ; 21 cm. Includes index 314 314 Subjects--Topical Terms: Genetics.Chromosome. Dewey Class. No.: 575.1 / B937s