Results 21 to 30 of about 4,553,166 (361)

Female Sex Development and Reproductive Duct Formation Depend on Wnt4a in Zebrafish. [PDF]

, 2019
In laboratory strains of zebrafish, sex determination occurs in the absence of a typical sex chromosome and it is not known what regulates the proportion of animals that develop as males or females.
Bruce W. Draper, John H. Postlethwait, Michelle E. Kossack, Parr, Rachel E. Hopton, Samantha K. High, Takahashi, Uchida, Yi-lin Yan   +8 more
core   +1 more source

Sexing of Embryos at the Time of Twin Reduction: A Clinical Approach

Animals, 2023
This study provides new unique information on bovine twin pairs during the late embryonic period (28–34 days of pregnancy) in relation to (1) a predictive ultrasound measurement that was differential for sexing heterosexual twins; (2) intrauterine ...
Fernando López-Gatius, Irina Garcia-Ispierto   +1 more
doaj   +1 more source

Sex determination in mythology and history [PDF]

, 2005
The history of ideas on how the sexes became divided spans at least three thousand years. The biblical account of the origin of Eve, and the opinions of the philosophers of classical Greece, have unexpected bearings on present-day ideas.
Mittwoch, U
core   +2 more sources

Molecular sexing and population genetic inference using a sex-linked microsatellite marker in the nine-spined stickleback (Pungitius pungitius) [PDF]

, 2011
Background: Sex-specific DNA markers can serve as tools for molecular sex identification, as well as for population genetic inferences. We investigated the potential utility of a microsatellite marker located on sex chromosomes for molecular sexing of ...
Takahito Shikano, Gábor Herczeg, Juha Merilä   +2 more
core   +2 more sources

408 Cases of Genital Ambiguity Followed by Single Multidisciplinary Team during 23 Years: Etiologic Diagnosis and Sex of Rearing

International Journal of Endocrinology, 2016
Objective. To evaluate diagnosis, age of referral, karyotype, and sex of rearing of cases with disorders of sex development (DSD) with ambiguous genitalia. Methods. Retrospective study during 23 years at outpatient clinic of a referral center.
Georgette Beatriz De Paula, Beatriz Amstalden Barros, Stela Carpini, Bruna Jordan Tincani, Tais Nitsch Mazzola, Mara Sanches Guaragna, Cristiane Santos da Cruz Piveta, Laurione Candido de Oliveira, Juliana Gabriel Ribeiro Andrade, Guilherme Guaragna-Filho, Pedro Perez Barbieri, Nathalia Montibeler Ferreira, Marcio Lopes Miranda, Ezequiel Moreira Gonçalves, Andre Moreno Morcillo, Nilma Lucia Viguetti-Campos, Sofia Helena Valente Lemos-Marini, Roberto Benedito de Paiva Silva, Antonia Paula Marques-de-Faria, Maricilda Palandi De Mello, Andrea Trevas Maciel-Guerra, Gil Guerra-Junior   +21 more
doaj   +1 more source

Integrative Metabolome and Transcriptome Analysis of Flavonoid Biosynthesis Genes in Broussonetia papyrifera Leaves From the Perspective of Sex Differentiation

Frontiers in Plant Science, 2022
Flavonoids are important secondary metabolites involved in plant development and environmental responses. Sex differences in flavonoids are common in plants. Broussonetia papyrifera is a dioecious plant that is rich in flavonoids.
Peng Jiao, Li Chaoyang, Zhai Wenhan, Dai Jingyi, Zhao Yunlin, Xu Zhenggang, Xu Zhenggang   +6 more
doaj   +1 more source

Comparative Morphology of the Penis and Clitoris in Four Species of Moles (Talpidae). [PDF]

, 2017
The penile and clitoral anatomy of four species of Talpid moles (broad-footed, star-nosed, hairy-tailed, and Japanese shrew moles) were investigated to define penile and clitoral anatomy and to examine the relationship of the clitoral anatomy with the ...
Ewer RF, Glucksmann A, Glucksmann A, Godet R, Hotchkiss AK, Jost A, Jost A, Matthews LH, Mossman HW, Murakami R, Murakami R, Murakami R, Vandenbergh JG, Wislocki GB, Wood‐Jones F, Zurita F   +15 more
core   +2 more sources

Impact of butyl benzyl phthalate on development of the reproductive system of European pikeperch, Sander lucioperca (L.) [PDF]

, 2014
The effect of butyl benzyl phthalate (BBP) on the sex differentiation process of fish is practically unknown. The experimental material of this study was juvenile European pikeperch [Sander lucioperca (L.)], which is gonochoristic, undergoes immediate ...
Demska-Zakęś, Krystyna, Jarmołowicz, Sylwia, Zakęś, Zdzisław   +2 more
core   +1 more source

Clinical and Laboratorial Features That May Differentiate 46,XY DSD due to Partial Androgen Insensitivity and 5α-Reductase Type 2 Deficiency

International Journal of Endocrinology, 2012
The aim of this study was to search for clinical and laboratorial data in 46,XY patients with ambiguous genitalia (AG) and normal testosterone (T) synthesis that could help to distinguish partial androgen insensitivity syndrome (PAIS) from 5α-reductase ...
Nélio Neves Veiga-Junior, Pedro Augusto Rodrigues Medaets, Reginaldo José Petroli, Flávia Leme Calais, Maricilda Palandi de Mello, Carla Cristina Telles de Sousa Castro, Guilherme Guaragna-Filho, Letícia Espósito Sewaybricker, Antonia Paula Marques-de-Faria, Andréa Trevas Maciel-Guerra, Gil Guerra-Junior   +10 more
doaj   +1 more source

Dmrt1 polymorphism covaries with sex-determination patterns in Rana temporaria. [PDF]

, 2016
Patterns of sex-chromosome differentiation and gonadal development have been shown to vary among populations of Rana temporaria along a latitudinal transect in Sweden.
Alho, Beukeboom, Brelsford, Brelsford, Brelsford, Brelsford, Cano, Devlin, Dufresnes, Eggert, Evans, Gosner, Goudet, Gramapurohit, Graves, Grossen, Guerrero, Haczkiewicz, Hillis, Hsü, Matsuba, Matsuba, Matsuda, Miura, Nanda, O'Meally, Ogielska, Perrin, Pflüger, R Core Team, Rodrigues, Rodrigues, Rodrigues, Rodrigues, Schartl, Schmid, Schmid, Schmid, Smith, Somers, Stöck, Stöck, Sumida, Swingle, Volff, Voorrips, Witschi, Witschi, Yoshimoto   +48 more
core   +3 more sources