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Recent studies of trisomy 21 have shown that altered levels of recombination are associated with maternal non-disjunction occurring at both meiosis I (MI) and meiosis II (MII). To comprehend better the association of recombination with nondisjunction, an understanding of the pattern of meiotic exchange, i.e. the exchange of genetic material at the(More)
The widespread availability of Internet access and location-acquisition technologies, such as the global positioning system (GPS), has given rise to the growing phenomenon of Volunteered Geographic Information (VGI). Our work presents the use of VGI in bathymetry and hydrographic surveying and demonstrates that crowdsourced bathymetry data (CSB) can yield(More)
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