Brookfield, J. F. Y. Can genes be truly redundant? Curr. Biol.2, 553–554 (1992). ArticleCAS Google Scholar
Tautz, D. Redundancies, development and the flow of information. BioEssays14, 263–266 (1992). ArticleCAS Google Scholar
Goldstein, D. B. & Holsinger, K. E. Maintenance of polygenic variation in spatially structured populations. Evolution46, 412–429 (1992). Article Google Scholar
Thomas, J. H. Thinking about genetic redundancy. Trends Genet.9, 395–399 (1993). ArticleCAS Google Scholar
Dover, G. A. Evolution of genetic redundancy for advanced players. Curr. Opin. Genet. Dev.3, 902–910 (1993). ArticleCAS Google Scholar
Pickett, F. B. & Meeks-Wagner, D. R. Seeing double: appreciating genetic redundancy. Plant Cell7, 1347–1356 (1995). ArticleCAS Google Scholar
Bird, A. P. Gene number, noise reduction and biological complexity. Trends Genet.11, 94–100 (1995). ArticleCAS Google Scholar
O'Brien, S. J. On estimating function gene number in eukaryotes. Nature New Biol.242, 52–54 (1973). ArticleCAS Google Scholar
Kastner, P. et al. Nonsteroid nuclear receptors: what are genetic studies telling us about their role in real life? Cell83, 859–869 (1995). ArticleCAS Google Scholar
Rudnicki, M. A. et al. Inactivation of MyoD in mice leads to up-regulation of the myogenic HLH gene Myf-5 and results in apparently normal muscle development. Cell71, 383–390 (1992). ArticleCAS Google Scholar
Saga, Y. et al. Mice develop normally without tenascin. Genes Dev.6, 1821–1831 (1992). ArticleCAS Google Scholar
Yang, Y. et al. Functional redundancy of the muscle-specific transcription factors Myf5 and myogenin. Nature379, 823–825 (1996). ArticleADS Google Scholar
Joyner, A. L. et al. Subtle cerebellar phenotype in mice homozygous for a targeted deletion of the En-2 homeobox. Science251, 1239–1243 (1991). ArticleADSCAS Google Scholar
Laney, J. D. & Biggin, M. D. Redundant control of Ultrabithorax by zeste involves functional levels of zeste protein binding at the Ultrabithorax promoter. Development122, 2303–2311 (1996). CASPubMed Google Scholar
Schorle, H. et al. Development and function of T cells in mice rendered interleukin-2 deficient by gene targeting. Nature352, 621–624 (1991). ArticleADSCAS Google Scholar
Taniguchi, T. Cytokine signaling through nonreceptor protein tyrosine kinases. Science268, 251–255 (1995). ArticleADSCAS Google Scholar
Steindler, D. A. et al. Tenascin Knockout Mice: Barrels, Boundary Molecules, and Glial Scars. J. Neurosci.15, 1971–1983 (1995). ArticleCAS Google Scholar
Pekny, M. et al. Mice lacking glial fibrallary acidic protein display astrocytes devoid of intermediate filaments but develop and reproduce normally. EMBO J.14, 1590–1598 (1995). ArticleCAS Google Scholar
Reed, S. I. G1-specific cyclins in search of an S-phase promoting factor. Trends Genet.7, 95–99 (1991). ArticleCAS Google Scholar
Roche, S. et al. Requirement for Src family protein tyrosine kinases in G-2 for fibroblast cell division. Science269, 1567–1569 (1995). ArticleADSCAS Google Scholar
Fisher, R. A. The sheltering of lethals. Am. Nat.69, 446–455 (1935). Article Google Scholar
Christiansen, F. B. & Frydenberg, O. Selection-mutation balance for two nonallelic recessives producing an inferior double homozygote. Am. J. Hum. Genet.29, 195–207 (1977). CASPubMedPubMed Central Google Scholar
Bailey, G. S. et al. Gene duplication in tetraploid fish: model for gene silencing at unlinked loci. Proc. Natl Acad. Sci. USA75, 5575–5579 (1978). ArticleADSCAS Google Scholar
Allendorf, F. W. Protein polymorphism and the rate of loss of duplicate gene expression. Nature272, 76–78 (1978). ArticleADSCAS Google Scholar
Kimura, M. & King, J. L. Fixation of a deleterious allele at one of two duplicate loci by mutation pressure and random drift. Proc. Natl Acad. Sci. USA76, 2858–2861 (1979). ArticleADSCAS Google Scholar
Li, W.-H. Rate of gene silencing at duplicate loci: a theoretical study and interpretation of data from tetraploid fish. Genetics95, 237–258 (1980). CASPubMedPubMed Central Google Scholar
Li, X. & Noll, M. Evolution of distinct developmental functions of three Drosophila genes by acquisition of different _cis_-regulatory regions. Nature367, 83–87 (1994). ArticleADSCAS Google Scholar
Krakauer, D. C. & Pagel, M. Selection by somatic signals. Phil. Trans. R. Soc. Lond. B351, 647–658 (1996). ArticleADSCAS Google Scholar