Results 41 to 50 of about 5,713 (198)
SRY-negative XX sex reversal in an English Cocker Spaniel: a case report
Veterinární Medicína, 2015 A SRY-negative XX male describes a female karyotype with testicular tissue resulting from abnormal gonadal development. In such cases male gonad formation takes place in the absence of a Y chromosome which supports the hypothesis that some other genes ...
D. Nak +6 more
doaj +1 more source
Acta Zoologica, EarlyView.ABSTRACT Weapons are morphological structures used by animals in various contexts, especially in intra‐specific contests and visual displays. In snapping shrimps of the genus Alpheus, particularly the monogamous species Alpheus brasileiro, both sexes bear enlarged chelipeds, potentially conferring advantages in mate competition or territorial defence ...
Leonardo Moreira +3 more
wiley +1 more source
The ambiguity of freemartinism diagnosis in cattle revealed by cytogenetic and molecular techniques
Czech Journal of Animal Science, 2004 Nineteen heifers and three male co-twins, originating from heterosexual twin pregnancies, were analysed with the use of cytogenetic and molecular techniques.
J. Nowacka +6 more
doaj +1 more source
Ibis, EarlyView.The detrimental effects of conventional farming on bird biodiversity are increasingly documented. Despite this, the specific impacts of both organic and conventional farming practices on bird coloration and sperm quality in natural settings remain unexplored. This study aimed to determine whether these farming practices differentially affect body mass,
Ségolène Humann‐Guilleminot +5 more
wiley +1 more source
Rewriting the intersex body: On the opera adaptation of Herculine Barbin’s Memoirs
JoSTrans: The Journal of Specialised TranslationHerculine Barbin’s memoirs, published by Foucault in 1978, are considered the first testimony of an intersex person. Barbin’s story has been adapted several times, including in a 19th-century German short story and in a 1985 French film.
Gonzalo Iturregui-Gallardo
doaj +1 more source
Evolution of alternative sex-determining mechanisms in teleost fishes [PDF]
, 2006 We compiled information from the literature on the taxonomic distributions in extant teleost fishes of alternative sex-determination systems: male-heterogametic (XY) gonochorism, female-heterogametic (ZW) gonochorism, hermaphroditism, unisexuality, and ...
Avise, JC, Mank, JE, Promislow, DEL
core +1 more source
Exploring drivers and costs of partial trans‐Saharan migration in juvenile vultures
Ibis, EarlyView.Partial migration occurs when only a subset of individuals within a population undertakes a migratory journey. The decision to migrate can be influenced by intrinsic traits (e.g. sex or physical condition) as well as by extrinsic factors (e.g. social environment or resource availability).
Eneko Arrondo +18 more
wiley +1 more source
Journal of Fish Biology, EarlyView.Abstract Deep‐sea elasmobranchs are less resilient to the increasing scale of anthropogenic impacts such as fisheries, owing to their life‐history traits. The necessity for proper management measures is hampered by the scant knowledge on these taxa and their biology. Here we provide the first comprehensive insight into the parasite infracommunities and
Wolf Isbert +5 more
wiley +1 more source
Justice, intersexuals and epistemic authority in Indonesia
Cogent Social SciencesIntersex people in Indonesia, especially those from the lower economic classes, face serious social, cultural, and political-economic challenges, including limited access to medical assistance, legal protection, and human rights. This research utilizes a
Robertus Robet +2 more
doaj +1 more source
INTERSEXUAL FEMALES AND INTERSEXUALITY IN HABROBRACON
The Biological Bulletin, 1943 Nine female intersexes are described and compared with the one intersexual form previously known in Habrobracon, the fertile mutant type gynoid, a weakly intersexual male.These female intersexes proved sterile, having male heads and instincts and abortive ovaries.
openaire +2 more sources