A Nuclear Ring in the Developing Male Germ Cells of Dog and Cat
β Scribed by ZLOTNIK, I.
- Book ID
- 109541703
- Publisher
- Nature Publishing Group
- Year
- 1943
- Tongue
- English
- Weight
- 113 KB
- Volume
- 151
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/151670a0
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Nuclei of spermatogonial cells derived from juvenile and adult (Ranu pipiens) were transplanted singly into enucleated eggs to determine whether germ cell nuclei are developmentally totipotent. Control nuclear transfers from undetermined somatic cells promoted genuine cleavage in 77% of the injected
## Abstract Maturation of the male germ cells in the rat shows some slight modifications of the typical procedure in sex cells, a distinct and rather prolonged synapsis occurring before synizesis and a confused stage immediately after it. The clumping in synizesis is not extreme. In the mixed strai