Studies in Spermatogenesis (Part 1 of 2) (Registro nro. 72391)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02478cam a22003133u 4500 |
| 001 - CONTROL NUMBER | |
| control field | 31545 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | UtSlPG |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20260610133723.0 |
| 006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS | |
| fixed length control field | m |
| 007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION | |
| fixed length control field | cr n |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 260607r2010||||utu|||||o|||||||||||||| d |
| 040 ## - CATALOGING SOURCE | |
| Original cataloging agency | UtSlPG |
| 041 #7 - LANGUAGE CODE | |
| Language code of text/sound track or separate title | en |
| Source of code | iso639-1 |
| 050 #4 - LIBRARY OF CONGRESS CALL NUMBER | |
| Classification number | QL |
| 100 1# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Stevens, N. M. |
| Fuller form of name | (Nettie Maria), |
| Dates associated with a name | 1861-1912 |
| 245 10 - TITLE STATEMENT | |
| Title | Studies in Spermatogenesis (Part 1 of 2) |
| 264 #1 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE | |
| Place of production, publication, distribution, manufacture | Salt Lake City, UT : |
| Name of producer, publisher, distributor, manufacturer | Project Gutenberg, |
| Date of production, publication, distribution, manufacture, or copyright notice | 2010 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 1 online resource : |
| Other physical details | multiple file formats |
| 336 ## - CONTENT TYPE | |
| Content type term | text |
| Content type code | txt |
| Source | rdacontent |
| 337 ## - MEDIA TYPE | |
| Media type term | computer |
| Media type code | c |
| Source | rdamedia |
| 338 ## - CARRIER TYPE | |
| Carrier type term | online resource |
| Carrier type code | cr |
| Source | rdacarrier |
| 500 ## - GENERAL NOTE | |
| General note | Release date is 2010-03-07 |
| 508 ## - CREATION/PRODUCTION CREDITS NOTE | |
| Creation/production credits note | Produced by Bryan Ness, Josephine Paolucci and the Online<br/>Distributed Proofreading Team at https://www.pgdp.net. (This<br/>file was produced from images generously made available<br/>by The Internet Archive/American Libraries.) |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | "Studies in Spermatogenesis (Part 1 of 2)" by N. M. Stevens is a scientific publication written in the early 20th century. The book focuses on the process of spermatogenesis, specifically investigating the so-called "accessory chromosome" and its implications for sex determination in various insect species. Through meticulous examination of spermatogenesis in different insects, the author aims to elucidate the role of chromosomal elements in sex determination and the general mechanisms involved in sperm development. The content of the book comprises detailed observations and methodologies regarding the spermatogenesis of several insect species, including the California termite and the common meal-worm, among others. Stevens provides a comprehensive analysis of the stages of sperm cell development, elucidating the behavior and morphology of chromosomes during mitosis and meiosis, as well as discussions surrounding the existence and nature of the accessory chromosome. The study emphasizes understanding how specific chromatin elements may contribute to the determination of sex in these species, contributing to the broader field of genetics. The observations are grounded in empirical research, with particular focus on chromosomal behavior, staining techniques, and the potential implications for evolutionary biology. (This is an automatically generated summary.) |
| 534 ## - ORIGINAL VERSION NOTE | |
| Note about original | Original publication data not identified |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Sex |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Spermatogenesis |
| 856 40 - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="https://www.gutenberg.org/ebooks/31545">https://www.gutenberg.org/ebooks/31545</a> |
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