The bivalent chromosomes that are generated during prophase of meiosis I comprise a pair of homologous chromosomes.Homolog pairing during prophase I must include mechanisms that avoid or eliminate entanglements between non-homologous chromosomes.In Drosophila spermatocytes, non-homologous associations are disrupted by chromosome territory formation
Ahmad M Mansour,1,2 Rafic S Antonios,1 Iqbal Ike K Ahmed3 1Department of Ophthalmology, American University of Beirut, Beirut, Lebanon; 2Department of Ophthalmology, Rafic Hariri University Hospital, Beirut, Lebanon; 3Department of Ophthalmology, University of Toronto, Toronto, ON, Canada Background: Complete removal of the cortex has been advocate
[For last couple of decades, voices Costumes have been heard for a revival of the ancient Silk Road with an aim of enhanced overland commercial activity.During last few years, the New Silk Road Initiative (NSRI) has extensively been promoted by the US, and its allies.A closer look at NSRI and programs related to it so far makes one believe that wha
In a prefabricated composite pipe gallery with socket joints, the repeated loading and unloading effect of shield construction on the overlying soil and the existing pipe gallery may cause considerable deformations to the pipe gallery at the joint while ensuring its own bearing capacity.The shield tunnelling underneath the existing pipe gallery pro