Cummings, Michael R. Human heredity : principles and issues / Michael R. Cummings. - 6th ed. - Belmont, Calif. : West/Wadsworth, c2003 - xxiv, 520 p. : ill. (chiefly col.) ; 28 cm. Includes index. ISBN: 0534394744 Subjects--Topical Terms: Human genetics.Heredity, Human. LC Class. No.: QH431 / .C897 1997 Dewey Class. No.: 599.93/5