Mosaic Development in Ascidian Eggs

E G CONKLIN'S CRUCIAL PAPER CONCLUSIVELY DEMONSTRATING EARLY EMBRYONIC MOSAIC DEVELOPMENT BY CELL FATE TRACKING-INSCRIBED BY AUTHOR.

17.5x25 cm offprint, gray printed paper covers, ink inscription top of cover, Dr. R. W. Hall, With the Greetings of the Author. pp [145-223], 82 figures in text. Light wear to corners, browning to page edges, binding tight, pages clean and unmarked. Very good in archival folder with card covers and cloth spine.

Reviewed in Gehring WJ. Precis of Edwin G. Conklin's JEZ article, Mosaic Develoment in Ascidian Eggs. J Exp Zool 301A:461-463, 2004. "It was published in the middle of a controversy between Driesch and Conklin on mosaic versus regulative development in ascidians. . . . The experiments were carried out in the summer of 1904 at the Marine Biological Laboratory in Woods Hole (Massachusetts) on Styela (Cynthia) partita, a species with a brilliant yellow crescent and four other distinct protoplasmic egg regions. . The exceedingly careful analysis of Conklin lead him to the conclusion that isolated blastomeres do not give rise to entire larvae, as claimed by Driesch and Crampton, but on the contrary each blastomere produces only those parts of a larva, which would arise from it under normal conditions. . the experiments of Conklin and Wilson paved the way for the theory of differential gene activity first proposed by Thomas Hunt Morgan ('34). . Conklin wrote his paper around the time when Mendel's work was being rediscovered, and it took another thirty years for the fusion of embryology and genetics to occur. Conklin's paper paved the way for it; it is a milestone in developmental biology and the founders of the Journal of Experimental Zoology can be proud of it."

EDWIN GRANT CONKLIN (1863 1952) was educated at Ohio Wesleyan University and Johns Hopkins University. He was professor of biology at Ohio Wesleyan (189194) and professor of zoology at Northwestern University (189496), the University of Pennsylvania (1896-1908), and Princeton University (1908-1935). He became coeditor of the Journal of Morphology, The Biological Bulletin, and the Journal of Experimental Zoology. In 1897, he was elected to the American Philosophical Society, and to the United States National Academy of Sciences in 1908. He was president of the American Society of Naturalists in 1912, became a member of the American Academy of Arts and Sciences in 1914, and was president of the American Association for the Advancement of Science in 1936. He was elected a Fellow of the American Academy of Arts and Sciences in 1914. He also served on the board of trustees for Science Service, now known as Society for Science and the Public, from 1937 to 1952. In 1943, Conklin was awarded the John J. Carty Award from the National Academy of Sciences. In 1995, the Society for Developmental Biology inaugurated the Edwin Grant Conklin Medal in his honor.

Product Info

Year: 1905

Type: Used

Binding: Softcover

First Edition

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