نتایج جستجو برای: embryo sexing
تعداد نتایج: 68168 فیلتر نتایج به سال:
I draw on my own experiences as a straight feminist geographer to address questions regarding teaching sexualities in geography. First, I look at `sexing’ and `queering’ geography curricula, not only upper level undergraduate and graduate courses that lend themselves to discussions of sexualities, compulsory heterosexuality, and heterosexism, but also lower level undergraduate courses. Second, ...
We report here on the precise ability of mouse androgenetic embryos produced by in-vitro fertilization of enucleated oocytes to develop to day 9.5 of gestation when cultured with M16 and CZB media. Androgenetic embryos cultured with CZB rather than M16 medium developed to the blastocyst stage in a more significant proportion (56.6% versus 45.0%, P < 0.001). However, after cavitation, the rate o...
Cryopreservation and sexing of embryos are integrated into commercial embryo transfer technologies. To improve the effectiveness of vitrification of in vitro produced buffalo embryos, two experiments were conducted. The first evaluated the effect of exposure time (2 and 3 min) and developmental stage (morula and blastocysts) on the viability and development of vitrified buffalo embryos. Morphol...
Abstract Sexing weakly/criptically dimorphic birds requires invasive techniques or molecular analysis. Alternatively, sexing can be based upon morphometric analysis, which remains invaluable in remote field conditions such as Polar regions. Nevertheless, discriminatory power may affected by methodological issues hampering comparison between/within studies, e.g. considering alternative analytica...
The bullfinch Loxigilla barbadensis is an endemic passerine on the Caribbean island of Barbados that has only recently been taxonomically split from the Lesser Antillean bullfinch L. noctis. The trait that most clearly distinguishes L. barbadensis from L. noctis is the absence in the male of sexually dimorphic coloration of the body and throat feathers, with L. barbadensis males and females sha...
The eighth report of the European Society of Human Reproduction and Embryology PGD Consortium is presented documenting cycles collected for the calendar year 2005 and follow-up of the pregnancies and babies born until October 2006 which resulted from these cycles. For the first time, the delivery rates for each indication are presented and also the pregnancy rates for each centre are reported a...
Human skull is shown to exhibit numerous sexually dimorphic traits. Estimation of sex is a challenging task especially when a part of skull is brought for medicolegal investigation. The present research was planned to evaluate the sexing potential of the dimensions of foramen magnum in forensic identification by craniometric analysis. Length and breadth of the foramen magnum was measured using ...
Schistosoma mansoni is a digenean parasite known for its importance as a human pathogen. Compared with the other genera belonging to the digenean families, the Schistosoma genus is characterized by having acquired gonochorism from hermaphroditic ancestors [1]. Sex is genetically determined in the egg [2] and female schistosome is heterogametic (ZW) such as lepidoptera, reptiles and birds. A mar...
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