نتایج جستجو برای: gender determination

تعداد نتایج: 417421  

Journal: :Development 2001
E L Keisman B S Baker

The integration of multiple developmental cues is crucial to the combinatorial strategies for cell specification that underlie metazoan development. In the Drosophila genital imaginal disc, which gives rise to the sexually dimorphic genitalia and analia, sexual identity must be integrated with positional cues, in order to direct the appropriate sexually dimorphic developmental program. Sex dete...

Journal: :Molecular ecology 2017
Laura Benestan Jean-Sébastien Moore Ben J G Sutherland Jérémy Le Luyer Halim Maaroufi Clément Rougeux Eric Normandeau Nathan Rycroft Jelle Atema Les N Harris Ross F Tallman Spencer J Greenwood Fraser K Clark Louis Bernatchez

Using massively parallel sequencing data from two species with different life history traits, American lobster (Homarus americanus) and Arctic Char (Salvelinus alpinus), we highlight how an unbalanced sex ratio in the samples and a few sex-linked markers may lead to false interpretations of population structure and thus to potentially erroneous management recommendations. Here, multivariate ana...

2015
Danny Hayes Jennifer L. Lawless

Much research in the study of U.S. politics has argued that female candidates for elected office are treated differently—and often worse—than male candidates in the press and by the public. Although these patterns do not doom women to electoral failure, they raise a formidable series of obstacles that often complicate women’s path to elective office, slowing the move toward gender parity in rep...

2013
Anne Digby

This article discusses an under-researched group and provides an analytical overview of the comparative experiences of African, Indian and Coloured doctors at South African universities during the apartheid era. It probes diversity of experience in training and practice as well as gendered differentiation amongst black students before going on to discuss the careers and political activism of bl...

2008
Jocelyn Viterna Kathleen M. Fallon

across Eastern Europe, Latin America, and sub-Saharan Africa, scholars have begun to explore how democratic changes affect women. Like other analyses of gender and the state (Brush 2003; Eisenstein 1988; MacKinnon 1989; Orloff 1996; Pateman 1988), these studies examine how states create and govern gender relations among their citizens through institutions, laws, and legal discourses (Jaquette a...

Journal: :Journal of marriage and the family 2008
Sinikka Elliott Debra Umberson

We integrate theoretical traditions on the social construction of gender, heterosexuality, and marriage with research and theory on emotion work to guide a qualitative investigation of how married people understand and experience sex in marriage. Results, based on 62 in-depth interviews, indicate that married men and women tend to believe that sex is integral to a good marriage and that men are...

Journal: :American sociological review 2015
David S Pedulla Sarah Thébaud

Why has progress toward gender equality in the workplace and at home stalled in recent decades? A growing body of scholarship suggests that persistently gendered workplace norms and policies limit men's and women's ability to create gender egalitarian relationships at home. In this article, we build on and extend prior research by examining the extent to which institutional constraints, includi...

2017
Fabrizio Ferretti Michele Mariani

Measuring gender inequality and women's empowerment is essential to understand the determinants of gender gaps, evaluate policies and monitor countries' progress. With this aim, over the past two decades, research has mainly been directed towards the development of composite indices. The purpose of this paper is to introduce a new and interdisciplinary perspective to the current debate on measu...

Journal: :Genetics 2003
Matthieu Louis Liisa Holm Lucas Sánchez Marcelle Kaufman

Cell fate commitment relies upon making a choice between different developmental pathways and subsequently remembering that choice. Experimental studies have thoroughly investigated this central theme in biology for sex determination. In the somatic cells of Drosophila melanogaster, Sex-lethal (Sxl) is the master regulatory gene that specifies sexual identity. We have developed a theoretical mo...

Journal: :Genetics 1995
D Pauli B Oliver A P Mahowald

Only a few Drosophila melanogaster germline sex determination genes are known, and there have been no systematic screens to identify new genes involved in this important biological process. The ovarian phenotypes produced by females mutant for dominant alleles of the ovo gene are modified in flies with altered doses of other loci involved in germline sex determination in Drosophila (Sex-lethal+...

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