6533b7d1fe1ef96bd125d573

RESEARCH PRODUCT

A male XO sex-determining mechanism in Theodoxus meridionalis (Neritidae) (Prosobranchia, Archaeogastropoda).

Roberto VitturiE. Catalano

subject

biologyNeritidaeEcologyArchaeogastropodaProsobranchiaGeneticsZoologyAnimal Science and ZoologyTheodoxus meridionalisCell BiologyPlant SciencePloidybiology.organism_classification

description

The haploid number of chromosomes n=12+h and the diploid values 2n=25 in males, and 2n=26 in females, have been determined for three geographically separated populations of Theodoxus meridionalis (Neritidae). A male XO sex-determining mechanism has been observed for this species.

https://doi.org/10.1508/cytologia.53.131