๐”– Bobbio Scriptorium
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Pairing and Parthenogenesis in Saw-flies

โœ Scribed by PEACOCK, A. D.


Book ID
109475175
Publisher
Nature Publishing Group
Year
1922
Tongue
English
Weight
119 KB
Volume
110
Category
Article
ISSN
0028-0836

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๐Ÿ“œ SIMILAR VOLUMES


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## i c h i g m Earlier study has shown that all agents which cause artificial parthenogenesis in the sea-urchin egg produce a coagulation in the cytoplasm (Heilbrunn, '15). This does not mean that all types of coagulative change cause the egg to begin its development, for, as is fairly obvious, so

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In this investigation we have attempted (1) to observe the occurrence and (2) to follow the behavior of mutations in parthenogenesis. We have found that mutations occur in parthenogenesis and that these mutant characters after their origin undergo further mutative changes. (3) We have followed cert