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A supernumerary “B-sex” chromosome drives male sex determination in the Pachón cavefish, Astyanax mexicanus

Current Biology, 2021
Sex chromosomes are generally derived from a pair of classical type-A chromosomes, and relatively few alternative models have been proposed up to now.1,2 B chromosomes (Bs) are supernumerary and dispensable chromosomes with non-Mendelian inheritance ...
Boudjema Imarazene   +30 more
semanticscholar   +1 more source

Length-weight and length-length relationships, gonadosomatic indices and size at first maturity of Eugerres mexicanus (Steindachner, 1863) (Percoidei: Gerreidae) from the Usumacinta River, Mexico

Journal of Applied Ichthyology, 2013
Summary This study examines the length-weight (L-W) and length-length (L-L) relationships, gonadosomatic indices, and size at sexual maturity for individuals of the endemic Mexican mojarra, Eugerres mexicanus (Steindachner, 1863) from the Usumacinta River Basin, Tabasco, Mexico. From April 2008 to January 2010, 360 specimens were examined, including
J. Valdez-Zenil   +4 more
openaire   +1 more source

Taxonomic revision of the "mexicanus" group of the genus Vaejovis C. L. Koch, 1836 (Scorpiones: Vaejovidae).

Zootaxa, 2019
Within the scorpion genus Vaejovis C.L. Koch, the "mexicanus" group is composed of species distributed in the mountains of México. This group presents taxonomic problems, because its characterization and the species included in the group have varied ...
Contreras-Félix Gerardo A   +1 more
semanticscholar   +1 more source

Tyrosine phosphorylation as evidence of epididymal cauda participation in the sperm maturation process of Corynorhinus mexicanus bat

, 2016
A. Rodríguez-Tobón   +5 more
semanticscholar   +1 more source

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