Eugenio Sánchez Morán

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Meiotic chiasmata were analysed in metaphase I pollen mother cells (PMCs) of wild-type Arabidopsis thaliana and in two meiotic mutants. Fluorescence in situ hybridisation (FISH) with 45S rDNA and 5S rDNA as probes was used to identify the five chromosome pairs. A wild-type chiasma frequency of 9.24 per cell was found, consistent with estimated genetic(More)
We present the first detailed cytological study of male meiosis in Daphnia (Crustacea: Branchiopoda: Cladocera)—an aquatic microcrustacean with a cyclical parthenogenetic life cycle. Using immunostaining of the testes in Daphnia magna for baseline knowledge, we characterized the different stages of meiotic division and spermiogenesis in relation to the(More)
Drug histories and environmental exposures are an important part of all medical histories and are particularly significant in specific at-risk primary care patient populations such as obstetrical patients, primary care genetic referrals, and pediatric patients being evaluated in developmental centers. A review of genetic referrals made by primary care(More)
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