Studies in Spermatogenesis (Part 2 of 2) (Registro nro. 72392)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02472cam a22003133u 4500 |
| 001 - CONTROL NUMBER | |
| control field | 31546 |
| 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 2 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 2 of 2)" by N. M. Stevens is a scientific publication written in the early 20th century, specifically in 1906. This work primarily focuses on a comparative analysis of heterochromosomes in various insect orders, including Coleoptera, Hemiptera, and Lepidoptera, with a particular emphasis on their implications for sex determination. The book represents an important contribution to the field of genetics and entomology by portraying the intricacies of sperm cell development and chromosomal behavior. The content of the book explores and documents the spermatogenesis processes across different species of insects. Stevens examines the number and morphology of chromosomes during various stages of cell division, highlighting the distinct behaviors of heterochromosomes and their role in sex determination. With detailed descriptions and illustrations, the publication delineates the methods employed for observing these cellular processes, compares findings across species, and discusses how chromosomal arrangements relate to the biological understanding of gender within these insect taxa. The findings reinforce the notion that spermatozoa can differ significantly in composition, thereby contributing to the wider discourse on genetic inheritance and sexual differentiation in organisms. (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/31546">https://www.gutenberg.org/ebooks/31546</a> |
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