File:Analysis of development (1955) (17549254423).jpg

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Title: Analysis of development
Identifier: analysisofdevelo00will (find matches)
Year: 1955 (1950s)
Authors: Willier, Benjamin H. (Benjamin Harrison), b. 1890
Subjects: Embryology; Embryology
Publisher: Philadelphia, Saunders
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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The Role of Nucleus and Cytoplasm 139 either spontaneously or in various experi- ments (polyspermy, parthenogenesis, cold or heat treatment of eggs), which exhibit two or sometimes three different chromosome numbers in different regions which may vary in extent from a few cells to one-half of the body. Most frequent are haploid/diploid and haploid/triploid embryos, but several other combinations have been observed. The haploid side of a mosaic generally shows a much more normal development than may be seen in completely haploid animals (compare Fig. 33a with Fig. 29c). Since mosaics possess a normal circulation, with both hapoid and diploid blood cells cir- culating through the haploid organs, the bet- ter performance of the latter may possibly be explained on this basis. However, parabio-
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  • bookid:analysisofdevelo00will
  • bookyear:1955
  • bookdecade:1950
  • bookcentury:1900
  • bookauthor:Willier_Benjamin_H_Benjamin_Harrison_b_1890
  • booksubject:Embryology
  • bookpublisher:Philadelphia_Saunders
  • bookcontributor:MBLWHOI_Library
  • booksponsor:MBLWHOI_Library
  • bookleafnumber:157
  • bookcollection:biodiversity
  • bookcollection:MBLWHOI
  • bookcollection:blc
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
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27 May 2015

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/17549254423. It was reviewed on 21 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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