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Studies on the dynamics of morphogenesis and inheritance in experimental reproduction. X. Head-frequency in Planaria dorotocephala in relation to age nutrition and motor activity

✍ Scribed by Child, C. M.

Publisher: John Wiley and Sons
Year: 1920
Tongue: English
Weight: 875 KB
Volume: 30
Category: Article
ISSN: 0022-104X
DOI: 10.1002/jez.1400300307

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✦ Synopsis

relacibn con la edad, nutrici6n y actividad motriz.

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## Hull ZoBlogical Laboratory, University of Chicago T W O FIGURES In earlier papers (Child '11 b, '11 c, ' 11 e) attention has been called to the fact that the frequency of head-formation in isolated pieces of Planaria dorotocephala varies with size of piece, region of body and various external c