Biol. Bull. Sign up for etocs!
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

Biol Bull 104: 68-74. (February 1953)
© 1953 Marine Biological Laboratory
This Article
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Citing Articles
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by MOORE, J. A.
Right arrow Articles by MOORE, B. C.
Right arrow Search for Related Content
PubMed
Right arrow Articles by MOORE, J. A.
Right arrow Articles by MOORE, B. C.

STUDIES IN THE DEVELOPMENT OF FROG HYBRIDS. IV. COMPETENCE OF GASTRULA ECTODERM IN ANDROGENETIC HYBRIDS

JOHN A. MOORE 1 and BETTY C. MOORE 1

1 Departments of Zoology, Barnard College and Columbia University, New York, N. Y.

1. In an effort to dissociate the factors responsible for the failure of development in Rana pipiens female x Rana sylvatica male hybrids, a study has been made of the development of haploid embryos composed of pipiens cytoplasm and sylvatica chromosomes. These androgenetic hybrids develop only to the late blastula stage.

2. The competence of the presumptive ectoderm of these haploid hybrids was tested by transplantation to neurulae of Rana palustris. The results indicated a total lack of competence.

3. Aside from the main problem with which the paper is concerned, it was found that the various classes of embryos used could be arranged in order of decreasing competence of the presumptive ectoderm. The sequence was as follows: diploid pipiens, haploid pipiens, pipiens female x sylvatica male diploid hybrids and (pipiens female) x sylvatica male haploid hybrids.






HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 1953 by the Marine Biological Laboratory.