MENDEL, GREGOR JOHANN. "Versuche über Pflanzen-Hybriden" [in:] Verhandlungen des naturforschenden Vereines in Brünn. IV. Band 1865. Brno: Verlage des Vereines 1866. 8vo, 220 x 147 mm., contemporary purple half-cloth spine faded, board edges slightly rubbed, library ink-stamp on title. FIRST EDITION, occupying pp. 3-47 of the "Abhandlungen" section of the journal, a few pencil corrections. Dibner Heralds 55; Grolier/Horblit 73a; Norman 1489; PMM 356; Stafleu & Cowan TL2 5818. 3:1 and 9:3:3:1 = the foundation of genetics. Mendel "crossed tall with dwarf sweet peas and bred from their stock. Instead of producing, as might have been anticipated on a priori reasoning, a plant of intermediate height, all the offspring were at least as tall as the tall parent. The seeds of the tall hybrids, however, produced a surprisingly different generation of which three-quarters were tall and one-quarter dwarf. All the dwarfs and one-third of the talls bred true: two-thirds of the talls behaved exactly like the second generation." -- Printing and the Mind of Man . Mendel's work was championed by William Bateson who began the era of twentieth century genetic research in 1909 with his work Mendel's Principles of Heredity . Provenance : Kais. Akademie der Wissenschaften, ink-stamp.
MENDEL, GREGOR JOHANN. "Versuche über Pflanzen-Hybriden" [in:] Verhandlungen des naturforschenden Vereines in Brünn. IV. Band 1865. Brno: Verlage des Vereines 1866. 8vo, 220 x 147 mm., contemporary purple half-cloth spine faded, board edges slightly rubbed, library ink-stamp on title. FIRST EDITION, occupying pp. 3-47 of the "Abhandlungen" section of the journal, a few pencil corrections. Dibner Heralds 55; Grolier/Horblit 73a; Norman 1489; PMM 356; Stafleu & Cowan TL2 5818. 3:1 and 9:3:3:1 = the foundation of genetics. Mendel "crossed tall with dwarf sweet peas and bred from their stock. Instead of producing, as might have been anticipated on a priori reasoning, a plant of intermediate height, all the offspring were at least as tall as the tall parent. The seeds of the tall hybrids, however, produced a surprisingly different generation of which three-quarters were tall and one-quarter dwarf. All the dwarfs and one-third of the talls bred true: two-thirds of the talls behaved exactly like the second generation." -- Printing and the Mind of Man . Mendel's work was championed by William Bateson who began the era of twentieth century genetic research in 1909 with his work Mendel's Principles of Heredity . Provenance : Kais. Akademie der Wissenschaften, ink-stamp.
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