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Subjects genetic variation Remove constraint genetic variation: genetic variation Subjects pedigree Remove constraint pedigree: pedigree Subjects United States Remove constraint United States: United States

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1. Changes in inbreeding of U.S. Herefords during the twentieth century

Description:: Includes references
Author:: Cleveland, M. A. , Blackburn, H. D. , Enns, R. M. , Garrick, D. J.
Subject:: beef cattle , Hereford , inbreeding , animal breeding , genetic variation , pedigree , population size , inbreeding coefficient , longitudinal studies , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2005

2. Genetic diversity in and conservation strategy considerations for Navajo Churro sheep

Description:: Includes references
Author:: Maiwashe, A.N. , Blackburn, H.D.
Subject:: sheep , sheep breeds , animal genetic resources , animal breeding , genetic variation , pedigree , inbreeding , geographic information systems , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004

3. Genetic diversity in the U.S. hard red winter wheat cultivars as revealed by microsatellite markers

Description:: Includes references
Author:: Prasad, B. , Babar, M.A. , Xu, X.Y. , Bai, G.H. , Klatt, A.R.
Subject:: hard red winter wheat , Triticum aestivum , genetic variation , genetic markers , cultivars , plant breeding , microsatellite repeats , genetic polymorphism , alleles , gene frequency , geographical variation , temporal variation , history , statistical analysis , pedigree , cluster analysis , United States , Great Plains region
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

4. Pedigree analysis of 5 swine breeds in the United States and the implications for genetic conservation [Erratum: 2010 May, v. 88, no. 5, p. 1914]

Description:: Includes references
Author:: Welsh, C.S. , Stewart, T.S. , Schwab, C. , Blackburn, H.D.
Subject:: swine , food animals , swine breeds , pedigree , genetic variation , germplasm conservation , livestock , inbreeding , purebreds , animal breeders , inbreeding coefficient , breed differences , sires , population genetics , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

5. Sources of fiber strength in the U.S. upland cotton crop from 1980 to 2000

Description:: Includes references
Author:: Bowman, D.T. , Gutierrez, O.A.
Subject:: Gossypium hirsutum , lint cotton , fiber quality , tensile strength , genetic improvement , plant genetic resources , cultivars , pedigree , germplasm , genetic variation , temporal variation , transgenic plants , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003

6. Two sex-chromosome-linked microsatellite loci show geographic variance among North American Ostrinia nubilalis

Description:: Includes references
Author:: Coates, B.S. , Hellmich, R.L.
Subject:: Ostrinia nubilalis , microsatellite repeats , genetic markers , sex linkage , W chromosome , Z chromosome , loci , alleles , genotype , haplotypes , gene frequency , genetic variation , geographical variation , population genetics , pedigree , ecotypes , boring insects , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003